KEMITECH 5.0 LED Bluetooth Speaker is a wireless portable speaker. Features 5 play modes, standby function, splash-proof design and LED light show. Bluetooth speaker is waterproofed with IPX5 waterproof design, portable and perfect for leisure or entertainment. KEMITECH LED has color changing themes and multiple flashing modes to choose from. New 5.0 Bluetooth technology ensures 33 foot wide range, no signal interruption, faster transmission and strong anti-interference. Five play modes include FM radio support and Bluetooth, TF card, U-disk, and AUX playback. Speaker is compatible with most Bluetooth-enabled devices such as smart phones, TVs, laptops and others. 1200 mAh battery can run up to 15 hours and provide you with 4 hours of uninterrupted music playback and enjoyment.