Wherever your adventures take you, the High Sierra Waterproof Bluetooth Speaker and Wireless Powerbank has got you covered. With an IPX7 Waterproof rating, this speaker can be submerged underwater for up to 30 minutes, making it perfect for any environment. Its powerful 8000mAh rechargeable battery offers up to 8 hours of playback time at maximum volume, and it doubles as a powerbank to charge your devices. Featuring a built-in USB Output and wireless charging capability, you can power up two devices simultaneously while enjoying your favorite tunes. Once your adventure wraps up, the speaker seamlessly transitions to a desktop companion with built-in music controls and a microphone for hands-free calls.