+edr bluetooth profile -20khz battery built-in 1*bluetooth stereo headphones 1*usb cable 1*line-in battery working distance battery built-in battery built-in 200mah black connectivity bluetooth bluetooth 4.0+edr mic bluetooth headphones shop bluetooth stereo headphones box 1*usb cable cable 1*line-in cable cable 1*user manual calls special feature colours black connectivity connectivity bluetooth connectivity bluetooth 4.0+edr dc power input details dimensions devices power amplifier display battery capacity edition bluetooth speaker foldable bluetooth stereo free calls special freedom bluetooth compatiablity freedom wireless streaming hands free calls input wireless pairing levels.* *battery output lithium rechargeable battery meters* microphone built microphone built moderate listenting levels.* noise cancellation mic non-stop playback battery pink connectivity bluetooth playback battery life power amplifier rms power input wireless rechargeable battery working red connectivity bluetooth special edition bluetooth special feature usage working distance white connectivity bluetooth wireless freedom wireless freedom bluetooth wireless freedom wireless working distance