Some speakers disappear into the background; the Kisonli B3 solar car Bluetooth speaker refuses to. Shaped like a miniature SUV in a multicolor olive-green finish, it parks on your dashboard, your desk, or your campsite crate and plays up to 8–10 hours per charge — topping up from the sun through the solar panel on its roof, or from any USB source when the sun isn’t cooperating. With 5W of stereo sound, Bluetooth 5.0, and IPX4 splash resistance, the kisonli b3 is built for the places other speakers can’t follow.
The Bluetooth standard behind this speaker’s wireless connection is maintained by the Bluetooth Special Interest Group, the industry body that oversees the Bluetooth technology used to pair with your phone.
This page is written from the verified research notes for the speaker, compiled from the live Gadget Superb product page (fetched 2026-10-14). Every number below comes from those verified notes — nothing here is estimated, and anything not confirmed is stated as omitted rather than guessed.
Design and Build

The headline is the shape: the kisonli b3 is an SUV-style car speaker, complete with tinted windows, spoked wheels, and a telescopic antenna on the roof. The multicolor olive-green finish gives it a distinctive, almost army-inspired look that stands out against the sea of black boxes on store shelves — and the Kisonli badge on the front grille completes the look.
At 15 × 7 × 5 cm and 0.67 kg, it is genuinely portable — small enough to sit on a car dashboard or slip into a travel bag, but substantial enough to feel like a proper speaker rather than a toy. The colorful lights add a playful touch for evening use, and the build is made for being handled, moved, and taken along.
Sound and Performance
Under the hood, a 5W stereo speaker delivers clear, room-filling sound for its size — comfortably loud for a car cabin, a bedroom, or a small outdoor gathering. Bluetooth 5.0 handles the wireless link to smartphones, tablets, and laptops with fast pairing and a stable connection.
Set expectations honestly: this is a 5W single-unit speaker, so it won’t replace a party sound system. What it does is fill personal space beautifully — music at the campsite, podcasts on the drive, background tunes on the rooftop — with the kind of charm that makes people ask where you got it.
Solar and USB Charging

The solar panel on the roof is the kisonli b3’s signature trick: leave it in sunlight — on a dashboard, a windowsill, or the campsite crate — and it tops up the battery without a cable in sight. For road trips and outdoor days, that means the music doesn’t have to end when the charge runs low; park it in the sun and it keeps going.

When the sun isn’t out, USB charging takes over (5V 1A input) — plug it into any phone charger, laptop, or power bank and it charges like a normal Bluetooth speaker. The two systems work together: solar for the outdoors, USB for everywhere else, so you’re never hunting for a wall socket at the wrong moment.

A practical note: solar charging is a trickle top-up, not a fast-charge replacement. Think of it as stretching your playtime outdoors — the panel keeps feeding the battery while you play, which is exactly how the kisonli b3 earns its reputation as the speaker that doesn’t die on the trip.
Battery Life

The verified specification is 8–10 hours of playtime per charge — a full day out, a long drive, or an entire evening gathering on a single charge. Real-world runtime varies with volume: moderate listening stretches toward the 10-hour end, while maximum volume shortens it, which is normal for every Bluetooth speaker.
To keep the battery healthy, avoid leaving the speaker fully drained for weeks, and don’t bake it in a closed car under direct midday sun for hours at a time — the solar panel likes light, but the battery prefers shade when it’s already full. Charge it over USB before a big trip and you’ll start with a full tank.
Splash-Proof Outdoors

The kisonli b3 carries an IPX4 rating, which means it resists water splashes from any direction — light rain, poolside splashes, and the spray from a garden hose won’t stop the music. That rating is what makes it a genuine outdoor speaker rather than an indoor speaker you’re afraid to take outside.

The natural use cases: car rides (it sits on the dashboard and charges in the sun through the windshield), home listening, travel days, and camping nights. IPX4 is not submersion-proof — don’t drop it in the pool — but everyday outdoor weather is well within its limits.
Specifications

| Brand | Kisonli |
|---|---|
| Model | B3 (Solar Car Bluetooth Speaker) |
| Variant | Multicolor (olive-green finish) |
| Type | Portable Bluetooth speaker, car/SUV shape |
| Output | 5W stereo |
| Bluetooth | 5.0 |
| Battery life | 8–10 hours per charge (varies with volume) |
| Charging | Solar panel (roof) + USB (5V 1A input) |
| Water resistance | IPX4 — splash-proof (light rain and splashes OK; not submersible) |
| Dimensions | 15 × 7 × 5 cm |
| Weight | 0.67 kg |
| Features | Telescopic antenna, car shape, colorful lights |
| Warranty | a 7-day store warranty |
All figures are taken from the verified research notes compiled from the live Gadget Superb product page (fetched 2026-10-14). Battery runtime varies with volume and solar exposure. Box contents are not published on the product page, so they are omitted rather than guessed.
On the Road: The Dashboard Is Its Natural Habitat
Plenty of speakers can survive a car ride; the kisonli b3 was shaped by one. The SUV body is more than a joke — at 15 × 7 × 5 cm and 0.67 kg it sits on a dashboard like it belongs there, low and stable, with the solar panel on its roof facing the sky through the windshield. That placement turns dead time into charging time: every kilometre driven in daylight is also a trickle of power back into the battery, so the speaker that plays the drive is quietly refilling itself for the evening at the same time.
The sound brief inside a car is specific, and 5W of stereo fills it honestly. A cabin is a small, enclosed space — it does not need party wattage, it needs clarity at conversation-friendly levels: podcasts that stay intelligible over road noise, playlists that carry the passengers without drowning them out. Bluetooth 5.0 keeps the link to the driver’s or passenger’s phone stable, and because the speaker runs on its own battery, the car’s systems are left completely alone — no wiring, no draining the vehicle battery, nothing to install and nothing to remove when you sell the car.
It also helps that the B3 is simply fun to have around. The telescopic antenna, the tinted windows, the spoked wheels, and the colorful lights that come on for evening use give it a personality most speakers never attempt — children claim it, passengers photograph it, and it starts conversations at campsites before the music even starts. Charm is not a specification, but on a long trip it is a feature, and this little SUV has it in a way no black rectangle can match.
The road story continues after the engine stops. At a highway tea break the little SUV comes off the dashboard and onto the table; at the destination it moves to the picnic crate or the tent, IPX4 splash resistance shrugging off the evening dew and the odd spilled drink. A speaker that starts the day as dashboard equipment and ends it as campsite entertainment has earned its space in the bag — and because it charges from sunlight, it never asks the trip to plan around its battery.
Living With Solar: Small Habits, Long Weekends
Owning a solar speaker rewards a few easy habits. The first is placement with intent: the kisonli b3 tops up wherever strong light falls — a dashboard in the sun, a sunny windowsill at home, the top of the campsite crate — so the laziest charging routine in the world is simply leaving it where the day is bright instead of shutting it in a drawer. Between outings, a windowsill keeps the battery gently fed, and the speaker is always near full when a plan appears.
The second habit is knowing what solar is for. The roof panel is a trickle top-up, not a fast charger: it stretches playtime outdoors and offsets what the music draws, rather than refilling a flat battery in an hour. The honest routine pairs both systems — a proper USB charge (5V 1A, from any phone charger, laptop, or power bank) before a big trip, then solar to keep the level topped up along the way. Used like that, the verified 8–10 hours per charge stops being a ceiling and becomes a floor the sun keeps raising.
The third habit is a little shade at the right moment. The battery section of this page gives the reasoning: a battery that is already full does not need to bake for hours in a closed car under harsh midday sun. Feed the panel while you play and while you drive; once it is full, ordinary shade is kinder. None of this is maintenance in any real sense — no apps, no settings, no service schedule. It is simply a speaker whose fuel falls out of the sky, asking only that you park it in the light and let it drink.
Why Buy From Gadget Superb

Order the kisonli b3 from Gadget Superb with cash on delivery anywhere in Bangladesh — pay in cash when the parcel arrives, with no advance payment, card details, or OTPs ever asked. Delivery takes 1–3 working days inside Dhaka (৳70) and 2–5 working days outside Dhaka (৳120), and every order carries 7-day easy returns: keep the speaker in original condition with box and accessories, and start a return with your order number via hotline 09638054751, care@gadgetsuperb.com, or Messenger.
Buying it as a gift? The car shape and multicolor finish make the Kisonli B3 one of the most giftable speakers in the store — but Gadget Superb does not advertise a gift-wrapping service, so message the store on Messenger before ordering to ask what packing they can arrange.
Explore the full Audio Electronics collection or compare Bluetooth speakers to find the right fit.
Frequently Asked Questions
Is the Kisonli B3 an original Kisonli product?
This listing is for the Kisonli B3 as catalogued by Gadget Superb under the Kisonli brand. The store does not claim official-distributor status for any brand it carries. If authenticity documentation matters to you, message the store on Messenger or email care@gadgetsuperb.com before ordering and they will clarify what they can share.
Does the Kisonli B3 come with a warranty?
The Kisonli B3 comes with a 7-day store warranty. Warranty terms vary by product at Gadget Superb. If a warranty matters to you, confirm the terms with the store — hotline 09638054751, care@gadgetsuperb.com, or Messenger — before placing your order.
How long does delivery take, and what are the charges?
Inside Dhaka, delivery costs ৳70 and takes 1–3 working days; outside Dhaka, it costs ৳120 and takes 2–5 working days. These are estimates, not guarantees. Your Kisonli B3 ships once you place a cash-on-delivery order.
How does cash on delivery work? Can I check the speaker before paying?
Cash on delivery means you pay the courier in cash when the parcel arrives. Gadget Superb never asks for advance payment, card details, OTPs, or mobile-banking PINs. Couriers generally do not allow opening a parcel before payment, so check your kisonli b3 right after the courier leaves and contact the store within the 7-day return window if anything is wrong.
What is the return policy if my Kisonli B3 arrives faulty?
Every Gadget Superb product carries 7-day easy returns. If your speaker arrives damaged or faulty, keep it in its original condition with the box and accessories, then start a return with your order number via hotline 09638054751, email care@gadgetsuperb.com, or Messenger.
How long does the battery really last, and how do I care for it?
The verified specification is 8–10 hours per charge, varying with volume — expect the longer end at moderate listening levels. For battery health, avoid storing the speaker fully drained for weeks, and don’t leave it baking in a closed car under harsh midday sun when it’s already fully charged. A USB top-up before a big trip starts you with a full tank.
How does solar charging work on the Kisonli B3?
The solar panel sits on the roof of the car body — place the speaker in direct sunlight and the panel trickle-charges the battery while you play. It’s a top-up system, not a fast charger: it stretches your outdoor playtime rather than replacing USB charging. On a dashboard in the sun, it can keep the music going far longer than the battery alone.
Can I charge it over USB, and what cable do I need?
Yes — the kisonli b3 also charges over USB with a 5V 1A input, from any standard phone charger, laptop port, or power bank. The product page does not publish the exact cable or port type in the box, so check the manual on arrival, or confirm what’s included with Gadget Superb before ordering.
What Bluetooth version does it use, and how do I pair it?
The speaker uses Bluetooth 5.0 for fast, stable pairing. Switch it on, open your phone’s Bluetooth settings, and select the Kisonli B3 from the device list. It will reconnect automatically to the last paired device next time both are powered on, and it pairs with smartphones, tablets, and laptops.
Is it really splash-proof? What does IPX4 mean?
The kisonli b3 is rated IPX4, which means it resists water splashes from any direction — light rain, poolside splashes, and garden spray are fine. It is not waterproof against submersion, so keep it out of the pool itself and don’t hose it down directly.
What exactly comes in the box?
The product page does not publish a box-contents list for the speaker, so the store can only confirm the Kisonli B3 speaker unit itself in the multicolor finish. If you need to know whether a charging cable or manual is included, ask Gadget Superb on Messenger or at care@gadgetsuperb.com before ordering.
What is the price of the Kisonli B3 in Bangladesh?
The current price is shown on the product page and can change during sales, so no figure is quoted here. Check the live Kisonli B3 page on Gadget Superb for today’s price — that is what you pay in cash on delivery, plus the standard delivery fee.
Can I keep playing music while the B3 charges from the sun?
Yes. The roof solar panel feeds the battery while the speaker plays, so sunlight during a drive, a picnic, or a campsite afternoon stretches your playtime beyond the 8–10 hours a single charge provides. Solar is a trickle top-up rather than a fast charge, but combined with a full USB charge before the trip, it keeps the music going far longer than the battery alone.
Is this the same speaker as the blue Kisonli B3?
It is the same B3 model in a different finish, sold as a separate listing. This page is the multicolor version — the olive-green SUV body described and pictured here. The blue version has its own product page; check the finish shown in the photos before ordering so the colour that arrives is the one you wanted.
How loud is 5W, in real terms?
Honestly sized for personal space. The kisonli b3’s 5W stereo output comfortably fills a car cabin, a bedroom, or a small outdoor gathering — music, podcasts, and background listening at satisfying levels. It is not a party sound system and does not pretend to be; what it offers is clear, room-filling-for-its-size sound in a speaker small and tough enough to take everywhere.











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