1.Play stereo music from any a2dp source aux line in for portable music players;2.Dual track, support for answering calls;3.Built-in stereo bluetooth transfer technology;4.Detachable and rechargeable battery, up to 10 hour music playing time;5.Touch to control¡§cthe back lit, touch panel controls make it easy to stay in command, night or day;6.Hear and be heard, the handy speakerphone with built-in mic gives you clear calls in the office, in the car or in the back yard;7.Functions: ¡§c switch on / off, pairing transfer stereo music from any a2dp source or other portable music players, volume adjustment;8.Campatible with: ipad/iphone/galaxy tab and various smart phones9.2.0 speaker, csr chipset, power rating, total 6w rms, fs 3w x 2. Frequency response 200hz-15khz. 20.5*16.285.7cm 0.5kg/pcs