MKB SP4 Portable Wireless Bluetooth Speaker – Green

Grab it and go — that is the whole idea behind the MKB SP4 portable wireless Bluetooth speaker in green. It is a pocket-size speaker for dynamic days: slim, light, and strap-fitted so it rides along in your bag, with IPX4 splash proofing that shrugs off light rain and poolside splashes. Travelers, gamers, and everyday music lovers get true wireless freedom — no cables, no fuss — with up to 2.5 hours of continuous playback on a single charge.

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, because the live store listing for the mkb sp4 currently carries only a thin description. 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 mkb sp4 wears its job description. The green body is a slim rounded rectangle with a full-width speaker grille, five red control buttons on top, and a woven carry strap looped through the corner — everything about it says “take me along.” It fits a palm, a jacket pocket, or the side of a backpack, and the strap means it hangs off a bag handle or a wrist without a second thought.

IPX4 is the rating that matters here: the mkb sp4 is splash proof against light rain and splashes from any direction, so a sudden shower on a rooftop, spray at the poolside, or a spilled glass at a picnic does not end the music. Honest boundary: IPX4 is not waterproof — never submerge it, and do not leave it sitting in a puddle. Splashes are fine; swimming is not.

The little details are done right for the road. The woven strap is anchored through a reinforced corner eyelet, so the mkb sp4 hangs securely from a bag handle, a belt loop, or a tent hook without you worrying about it. The five red buttons sit slightly raised on the top face, easy to find by touch when the speaker is clipped to a backpack in the dark. At this size and with this strap, the speaker earns its place as the thing you grab without thinking — the everyday-carry audio habit that replaces listening through a phone speaker.

Sound and Performance

The mkb sp4 is tuned for what a pocket speaker is actually for: clear, lively sound for one person or a small circle — a desk, a hostel bunk, a picnic mat, a gaming setup. It is not trying to be a party tower, and it should not be judged like one. For travel days, study sessions, and outdoor hangouts, it delivers the kind of present, enjoyable audio that makes a phone speaker feel instantly inadequate.

Output wattage and driver size are not published in the verified research notes, so they are omitted rather than guessed — judge the mkb sp4 on what is verified: true wireless pairing, IPX4 splash proofing, and honest battery figures. Pairing is straightforward: switch it on, find the MKB SP4 in your phone’s Bluetooth list, and connect. For gaming, the wireless link keeps desk clutter down and puts game audio where you want it without reaching for earphones; for travel, one small speaker replaces the tinny phone speaker in hotel rooms and transit lounges.

Battery and Charging

Up to 2.5 hours of continuous playback on a single charge — that is the verified figure, kept exact. It covers a long commute, a gaming session, or an evening adda. Real-world runtime moves with volume, as with every speaker: moderate levels get you the full window, maximum volume shortens it. Plan around the honest number, not a fantasy one.

Recharging is quick: a fast 2-hour recharge gets the mkb sp4 from empty to full, so downtime between outings stays short. A charging cable ships in the box — top it up from any standard USB charger or power bank before heading out, and unplug once full to keep the battery healthy. Charge it while you pack your bag and it is ready when you are. If you are heading out for the whole day, a small power bank in the same bag covers the recharge too — two hours on the power bank and the speaker is back to a full 2.5-hour window.

Controls and Features

True wireless means exactly that: no cables between the mkb sp4 and your phone, no aux lead to forget, no tangle in your bag. The five red buttons on top handle power, pairing, volume, and track control at a press — physical, findable by touch, no app required.

The speaker is made for the way you actually live: travel light through airports and bus stands, game audio beside your monitor, outdoor days at the park or the beach, and everyday carry for the desk or the kitchen. One small speaker covers all four — that is the entire pitch of the mkb sp4, and it delivers it without complication. Switching between these uses takes seconds: disconnect from the laptop, pair to the phone, and the music follows you out the door.

Specifications

All figures are taken from the verified research notes for the SP4. Output wattage, driver size, Bluetooth version, battery capacity, and dimensions are not published, so they are omitted rather than guessed.

What’s in the Box

The verified research notes confirm exactly three items ship with the mkb sp4: 1 × MKB SP4 True Wireless Speaker in green, 1 × charging cable, and 1 × user manual. If any accessory matters to your purchase, confirm exactly what ships with Gadget Superb on Messenger or at care@gadgetsuperb.com before ordering.

True Wireless and IPX4, Explained in Plain Language

“True wireless” can sound like marketing language, so here is the everyday translation. On the mkb sp4 it means music travels from your phone over Bluetooth, with no cable between them, no aux lead to forget, and nothing to untangle when you pull it out of your bag. You switch it on, choose it in your phone’s Bluetooth list, and the sound moves off the small phone speaker onto a dedicated speaker. That matters most in the moments it is made for: a playlist in a hotel room, game audio beside a monitor, or music shared with a small circle instead of everyone leaning toward one phone.

IPX4 deserves the same plain translation. The rating means protection against splashes from any direction, which is why light rain, poolside spray, and an accidental splash at a picnic count as normal conditions rather than emergencies. It does not mean waterproof. The mkb sp4 should never be submerged, floated in a pool, held under a tap, or left in a puddle; towel it dry afterwards. Splashes are fine; swimming is not. That clear boundary makes IPX4 useful — you can relax outdoors without wrapping it in plastic, while knowing where its protection ends.

The controls follow the same logic. Five red buttons sit slightly raised on top of the green body, handling power, pairing, volume, and track control at a press. Because they are physical, you can find them by touch when the speaker is clipped to a backpack or sitting beside you in low light, and there is no app to install before the first song plays. Together, they remove the small frictions — cables, settings, and weather worries — so playing something takes seconds.

A Pocket Speaker for Travel, Gaming, and Everyday Carry

Its everyday value shows up in how easily it moves between settings. The slim, rounded, pocket-size body fits a palm, a jacket pocket, or the side of a backpack, and the woven strap is anchored through a reinforced corner eyelet, so it can hang from a bag handle, a belt loop, or a tent hook. That makes it a natural travel companion, a tidier source of game audio beside a laptop, and a quick upgrade from a phone speaker in a hostel bunk, kitchen, or study desk. None of those uses needs a permanent setup — set it down, pair it, and the room has sound.

Good charging habits keep that routine reliable. A full recharge takes about two hours, and a single charge gives up to 2.5 hours of continuous playback, with the real window depending on volume: moderate levels help you reach the full figure, while maximum volume shortens it. Topping it up while you pack is the easiest habit to build, and unplugging once full helps keep the battery healthy. For a whole day out, a small power bank covers a recharge on the move, using the cable supplied in the box. Planning around short, honest windows — a commute, a gaming session, an evening adda — beats expecting it to run all day unaided.

Simple care protects the parts you rely on most. Wipe the green body and full-width grille with a soft, dry cloth, keep dust away from the top buttons, and avoid drops onto hard surfaces. After rain or splashes, dry the speaker before charging it, and never charge it while wet. Treat the strap as part of that routine too: hanging it securely is safer than letting it rattle loose at the bottom of a bag. Looked after this way, it stays what it was designed to be — everyday carry you grab without thinking.

Why Buy From Gadget Superb

Order the mkb sp4 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.

Small, green, and ready to travel, it also makes an easy gift — a splash-proof everyday speaker with COD meaning the gifter pays nothing in advance. Explore the full Audio Electronics collection or compare Bluetooth speakers to find the right fit.

Frequently Asked Questions

Is the MKB SP4 an original MKB product?

This listing is for the MKB SP4 as catalogued by Gadget Superb under the MKB 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 this speaker come with a warranty?

Yes — the MKB SP4 carries a 7-day store warranty. If anything goes wrong within that period, keep the speaker in its original condition with the box and accessories, then start a claim with your order number via hotline 09638054751, care@gadgetsuperb.com, or Messenger.

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 MKB SP4 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 MKB SP4 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 MKB SP4 arrives faulty?

Every Gadget Superb product carries 7-day easy returns. If it 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?

The verified specification quotes up to 2.5 hours of continuous playback on a single charge. Real-world runtime depends on volume — expect the full window at moderate levels and less at maximum. A fast 2-hour recharge brings it back to full, so topping up between outings keeps downtime short.

Is the SP4 waterproof? Can I take it to the pool?

It is splash proof, not waterproof. The IPX4 rating means the mkb sp4 handles light rain and splashes from any direction — fine beside the pool or caught in a shower. Never submerge it, float it, or leave it sitting in water. Splashes are fine; swimming is not.

Is this the green variant?

Yes — this listing is for the MKB SP4 in green, with the green body, red top buttons, and carry strap shown in the product images. If you want a different color, check the store’s other listings before ordering, because color variants are catalogued separately.

How do I charge the MKB SP4?

Use the charging cable in the box with any standard USB charger or power bank — a full recharge takes about 2 hours. Unplug once full to keep the battery healthy. Charging-port type is not published in the verified notes, so only the included cable is guaranteed to fit.

What is in the box?

The verified box contents are 1 × MKB SP4 True Wireless Speaker in green, 1 × charging cable, and 1 × user manual. If any accessory matters to your purchase, confirm exactly what ships with Gadget Superb on Messenger or at care@gadgetsuperb.com before ordering.

What is the price of the MKB SP4 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 MKB SP4 page on Gadget Superb for today’s price — that is what you pay in cash on delivery, plus the standard delivery fee.

How do I care for my MKB SP4?

Wipe the green body and grille with a soft dry cloth and keep the buttons free of dust. After exposure to splashes, towel it dry and let it air out before charging. Do not submerge it, do not charge it while wet, and avoid drops onto hard surfaces. If the verified figures here differ from your unit’s manual, the manual wins — treat this page as a guide.

How do I pair the MKB SP4 with a phone or laptop?

Switch the speaker on, open the Bluetooth list on your phone or laptop, and select it when it appears. The connection is cable-free, with no app required for pairing or everyday control. Once connected, sound that would normally play through your device — music, videos, or game audio — plays through the speaker instead, until you disconnect it or pair it with another device.

Do I need an app to use the MKB SP4?

No. The five red buttons on top handle power, pairing, volume, and track control directly, so no app is needed to start listening or make everyday adjustments. The raised buttons are also easy to locate by touch, which helps when the speaker is hanging from a bag by its strap, sitting beside a gaming setup, or being used outdoors in low light.

Can I switch the MKB SP4 between devices during the day?

Yes. Switching is part of its normal routine: disconnect it from one device, such as a laptop used for gaming, then pair it with your phone before heading out, and the music follows you. With no cables to move and no app to configure, the change takes only a moment — a practical way to use one small speaker for a desk session, a journey, and outdoor listening in one day.