Tauren Outdoor Bluetooth Speaker for Camping, Beach, Cycling, Party, Fishing etc, Wireless Portable Speaker with Built-in Mic, Solar Powered Speakerphone, Support TF-card To Play Music(Black) Non AA battery dependent Bluetooth speaker; solar powered Rechargeable li-ion battery. Speaker provides high definition sound output and clear sound quality; Highs, lows, mids and bass outputs are uniquely processed through the 3W audio driver and Passive subwoofer. Durable, Portable, Lightweight and Very affordable; Perfect for camping, Hiking, Fishing trips, Picnics, Backyard grilling, Party and lots more. Seamless Bluetooth Connectivity to your Apple or Android Smartphone or other Bluetooth enabled devices including: Smartphones, Mp3 players, Car stereos, Tablet PCs and lots more. Built-in noise cancelling Microphone for answering calls on-the-go and enjoying crystal clear conversation.