GOgroove Portable Stereo Bluetooth Speaker BlueSYNC DRM with 10-Hour Rechargeable Battery and Integrated Microphone (Green) - Works with Samsung , Apple , HTC , LG , Motorola & More Phones and Tablets Works great with Samsung , Apple , HTC , LG , Motorola & More Phones and Tablets The BlueSYNC DRM utilizes the latest in Bluetooth wireless audio technology with v4.0 CSR chipset and aptX audio codec support for CD-quality sound from supported devices. Universally compatible with all Bluetooth audio sources over standard Bluetooth protocol. The elliptical body houses 2 x 35mm stereo drivers and a passive woofer that share a single air chamber for compact, yet powerful sound that will fill a room with ease. The simulated 2.1-channel sound is the result of a 2.0-channel stereo configuration that incorporates a reactive passive woofer for low-frequency beats and vibrations. Play, pause, next track, previous track, volume, and answer calls all with the simple control wheel located on the top of the DRMs body. At the rear, youll find the MicroUSB charging port and ON / OFF switch. Technical Specifications: Speaker Output Power - (2W x 2) 8-watt Peak ; Bluetooth profile: v4.0 / A2DP / AVRCP / HFP ; Battery  1250mAh ; Runtime  10 hours ; Dimensions  7.75 x 2.5 x 2.0 ; Weight  11.84 ounces"