ITEM NAME:Car 12V Audio Player Decoder Board Digital Audio Bluetooth Amplifier Panel Description: Supports wireless Audio Receiving Audio Refitting Board, which upgrades your product to a Audio Receiving Device with 5w*2 Power Amplifier and 3.7v-5.3v Voltage. Support L2CAP/A2DP (AVCTP/AVDTP/AVCRP), used to receive stereo audio signals, through the protocol can control the audio transmitter up and down curvature operation. Support pairing/automatic link function, MP3, WMA, APE, FLAC, WAV, reserved USB port. Version: the 4.2 specification is compatible with 3 and below. receiving distance is 10 meters -15 meters, the specific test environment is determined. Specification: Size: 45x35mm/1.77x1.38inch Package Includes: 1 piece Receiving Board.Support pairing/automatic link function, MP3, WMA, APE, FLAC, WAV, reserved USB port. 1 piece Receiving Board. People always bought together with.