Flush-mounted Bluetooth receiver with integrated stereo amplifier Bluetooth Class2 operation (up to 10 meters range). Compliant with the Bluetooth V2.0 protocol. Support the Bluetooth protocol framework: HANDS-FREE PROFILE (HFP:HF);ADVANCED AUDIO DISTRIBUTION PROFILE(A2DP:SNK); AUDIO/VIDEO REMOTE CONTROL PROFILE(AVRCP:CT); Support the SBC decoding, support for stereo output with 16KHz/32KHz/44.1KHz/48KHz sample rate Support the mobile music player switching songs Support the echo cancellation and noise suppression Support active connections and simple pairing; the bluetooth amplifier with high quality sound INPUTvoltage :AC110V-230V amplifier ouput power:2*3W exciter :4ohm 5W speaker cable:15cm power cable:AC 3pin EU plug cable