KOLEER S31 Mini Wireless Bluetooth Speaker Price in Bangladesh | IPX7 Waterproof, 5W Bass Speaker

Product Overview

Take your music anywhere with the KOLEER S31 Mini Wireless Bluetooth Speaker, a compact yet powerful audio companion built for adventure and everyday use. With a 5W loud stereo output and extra bass, this speaker delivers impressive sound quality for music, calls, and entertainment, all packed into a portable design.

What sets this apart is its IPX7 waterproof and dustproof rating, making it a reliable choice for outdoor adventures, beach trips, camping, or travel. Its rugged build helps protect against splashes and light impacts, so you don’t have to worry about occasional exposure to the elements during outdoor activities.

Powered by Bluetooth 5.0 + EDR, this device offers stable wireless connectivity along with support for FM radio, USB, and Micro SD card playback, giving you flexibility even without a Bluetooth connection. A built-in microphone also enables hands-free calling, making it a practical companion for home, office, and outdoor use alike.

Key Features

• 5W loud stereo sound with extra bass output
• Bluetooth 5.0 + EDR for stable wireless connectivity
• IPX7 waterproof and dustproof design
• 1200mAh rechargeable battery for long-lasting playback
• Up to 15-meter Bluetooth range
• FM radio, USB, and Micro SD card support
• Built-in microphone for hands-free calling
• Portable, rugged design suited for outdoor use

Why You’ll Love It

Outdoor activities often mean exposing your gear to water, dust, or accidental drops, and this speaker is built to handle exactly that. The IPX7 rating gives you the confidence to bring it along on beach trips, camping adventures, or poolside hangouts without worrying about light splashes or dust affecting performance.

Despite its compact size, the 5W stereo output with extra bass delivers surprisingly full sound, making it enjoyable for music, podcasts, or casual background audio. The 15-meter Bluetooth range also gives you the freedom to move around without losing connection, whether you’re setting up at a campsite or relaxing in your backyard.

Flexibility is another strong point — with FM radio, USB, and Micro SD card support, you’re never limited to just Bluetooth streaming. And thanks to the built-in microphone, you can easily take hands-free calls without needing to reach for your phone, adding convenience for both outdoor trips and everyday tasks.

Premium Quality & Performance

Constructed from premium plastic, the KOLEER S31 balances a rugged, durable feel with a lightweight, portable design. Its speaker impedance of 2–4Ω combined with a sensitivity rating of 108dB allows it to produce clear, loud sound relative to its compact size.

The 1200mAh rechargeable battery is designed to provide extended playback time, making it dependable for day trips or extended outdoor sessions. Connectivity is handled through Bluetooth 5.0 + EDR, offering a stable signal across a 15-meter range, while its IPX7 waterproof and dustproof rating adds meaningful protection against the elements — a feature not all portable speakers in this category offer.

With support for multiple playback methods, including FM radio, USB, and Micro SD card, this speaker is engineered for versatility, adapting easily to different environments and listening preferences.

Ideal For

This waterproof Bluetooth speaker is ideal for travelers, campers, beachgoers, and anyone who wants a rugged, portable audio companion for outdoor adventures. It’s also a solid choice for home or office use, especially for those who value hands-free calling and flexible playback options.

How to Use

• Charge the speaker fully using the included USB cable before first use
• Power on the speaker and enable Bluetooth on your device
• Pair your phone or device with the KOLEER S31 via Bluetooth 5.0
• Insert a Micro SD card or connect via USB for offline playback
• Switch to FM radio mode to listen to live stations
• Use the built-in microphone for hands-free calls as needed
• Recharge the 1200mAh battery when needed to maintain playback

Package Includes

• 1 x KOLEER S31 Bluetooth Speaker
• 1 x USB Charging Cable

Final Thoughts

The KOLEER S31 Mini Wireless Bluetooth Speaker combines powerful sound, extra bass, and genuine IPX7 waterproof protection into one compact, rugged package. Whether you’re heading to the beach, going camping, or just want a reliable speaker for home and office use, this device is built to keep up with your lifestyle. Backed by a 7-day replacement guarantee, the KOLEER S31 is a smart, dependable choice for anyone who needs durable sound on the go.