... Built-in rechargeable Li-ion battery 2012 New Patent model Bluetooth mini speaker with rechargeable Li-ion battery(ADP-107BT ... Feature:Wireless, Portable, MiniUSEPortable Audio Player, Mobile Phone, Outdo…MaterialABSChannels2SolutionCSR SolutionBT Version V3.0+EDRBluetooth Operation ... HF,DUN ProfilesRMS Power3W, quality speaker,supper bassInput Power DC 5v Input wayBluetooth, USB Cable,3.5mm ...