Wireless Speaker, Venstar Portable Speaker Bluetooth Speaker Bluetooth 4.0 Aluminium Built-in Mic 2*5w Voice Prompt Shockproof High-def Sound Compatible with All Bluetooth Devices - Metal Black Powered by portable aluminum cutting-edge Bluetooth 4.0 technology with up to 33ft/ 10m bluetooth signal, enjoy your music on the go, enough for bedroom, bathroom, lounge or kitchen Hi-End Features: High-end Aluminum alloy shell casing assures a sleek look. Doubles as a speaker phone Compact size, Premium sound: Compact with lively sound and surprising enhanced deep base. Incredible sound quality and surprising fullness realized through 2 x 5Watt dual coil tuned drivers Built-in high-capacity 1800mAh rechargeable Lithium battery offers up to long hours of play time. Built-in high sensitivity Microphone ensures clear hand-free telephone calls Compatible with all Bluetooth-enabled devices.one button connect Bluetooth, easy to stream your music