Vomach Bluetooth Speakers - IPX6 Water-Resistant, Drop-Resistant, Dust-Resistant, Bluetooth 4.2 Portable Outdoor Wireless Speaker with Deep Bass Stereo Sound for Party, Travel, Beach, Pool Unbelievable Sound: 10W of pure audio power with enhanced bass thunders from dual neodymium drivers. An advanced Digital Signal Processor ensures pounding bass and zero distortion at any volume. Bluetooth 4.2 Technology: Equipped with advanced technology and compatible with all Bluetooth compacity devices. This mini Bluetooth Speaker would automatically reconnect to the last device used. IPX6 Water Proof Levels: Enjoy a high definition stereo sound with an impressive volume at home, in the yard, or anywhere else imaginable. Long Playtime: Built-in Li-Ion 2200mAh rechargeable battery guarantees up to 10 hours playtime in 70% volume(6 hours in 100% volume). Recharge in just 2-3 hours with included micro USB cable. Broad Compatibility: Bluetooh allows an instantly connection with all Bluetooh-enable devices up to 33 ft. You aslo can enjoy music with a supplied audio cable and Micro SD card (not supplied).