... easy operation; 2,According to the latest Bluetooth CSR2.1+EDR standard;3,Unique hidden touch ... buttons;4,Automatic reconnection function & Bluetooth hands-free function;5,Music playing time ... up to 8 hours, supports Bluetooth stereo, TF card, audio inputs.6,Excellent ... MP3,MP4 and other cellphones with Bluetooth etc;Specifications:1.Wireless (bluetooth )2.Rated Power:2.5W* ...