The Remax RB-M21 Outdoor Bass Bluetooth Speaker is engineered for those who need their music to keep up with an active lifestyle. Wrapped in a premium imported audio nylon mesh material, the speaker offers a flexible touch and high-fidelity sound retention, ensuring that your audio remains crisp and clear regardless of the environment. Under the hood, the RB-M21 is powered by two 40mm magnetic full-range speakers paired with two 71mm bass radiant pots, delivering a combined rated power of 7W (3.5W x 2). This configuration is specifically tuned to provide a rich, deep bass response that is ideal for outdoor gatherings and travel. Versatility is at the core of the RB-M21. It supports a wide array of playback methods, including Bluetooth 4.2, TF card plug-and-play, AUX input, and FM radio. For those seeking a more immersive experience, the speaker supports True Wireless Stereo (TWS), allowing you to pair two units for a full surround sound setup. Built to withstand the elements, the RB-M21 carries an IPX5 waterproof rating, making it resistant to water splashes and perfect for poolside or outdoor use. Its compact design, weighing only 348g, makes it incredibly portable without sacrificing audio performance. With a 2200mAh battery, the speaker provides 4 to 5 hours of continuous playtime, ensuring your soundtrack lasts through your outing. Whether you are hiking, lounging at the beach, or hosting a small get-together, the Remax RB-M21 offers a reliable and powerful audio solution.