Anker Soundcore Motion Boom Speaker is an outdoor wireless speaker. Boom Speaker features Titanium drivers and BassUp Technology that provides distortion free stereo sound even at high volumes. Anker Speaker is waterproofed with IPX7 waterproof design, portable and perfect for leisure or entertainment. Optimized lithium battery of 10,000 mAh can run up to 24 hours and provide you with uninterrupted enjoyment. Soundcore custom controls and 4 EQ modes provide a more personalized sound. New 5.0 Bluetooth technology ensures no signal interruption, faster transmission and better anti-interference.