RingBuu Car Bluetooth 4.0 Audio Receiver Board Stereo Wireless Sound Module

? Support Bluetooth Protocol: HFP V1.5, A2DP 1.1, AVCRP 1.3
? Supporting Bluetooth 4.0, effective transmission distance around 15 meters
? Wide voltage conversion module Bluetooth 3.6-30V with anti-reverse design
? Bluetooth module output op amp with NE5532 pre-amplified output signal amplitude
? Audio signals with automatic switching functions, it can guarantee the original amplifier or powered speakers to increase functional status under the Bluetooth function, the implementation of lossless conversion