MindKoo Waterproof Bluetooth Speakers - Wireless Portable Outdoor Speaker for iPhone, Android phone,Tablet,Camping,Hiking,Golf,Fishing 1.[10M Range Distance for Bluetooth] - Bluetooth Wireless connection to your phone, tablet or other Bluetooth-enabled devices with 10m range. 2.[Great Sound Performance] - Exceptional sound quality and impressive bass effect, sensational music fills in every inch of your home. 3. [Build-In 6-Hour Rechargeable Li-ion Battery] - Charge via the micro USB port, potable and stylish design. 4. [Widely Compatibility] - In compatible with A2DP, AVRCP, HFP,IOS, Android, support audio cable input, 90-20KHz wide response. 5. [IPX4 Waterproof Level] - Perfect for outdoor use, hiking, camping, picnic, etc.