Crystal clear sound. Pump up the volume and enjoy! Wirelessly connect, stream music, manage phone calls and control volume. Perfect for life on the go. Take it on the road or relax and listen at home. In five bold colors, this unique design is sure to turn some heads. System Requirements : Smartphones, tablets and other devices that support Bluetooth?-wireless audio profile [Advanced Audio Distribution Profile (A2DP)] or 3.5 mm audio output. Phones that support Bluetooth-Hands-Free Profile (HFP1.6). Package Contents : Logitech X100 Mobile Wireless Stereo Speaker , Micro USB charging cable ,User documentation. Technical Specifications : 30 ft wireless range ,5-hour battery.