Mic Input: 250 mVrms
Music Input: 400 mVrms
RX Stereo Out: 1 to 5 Vrms into 600 ohms
Data Out: RS232 Data Input: RS232
Bluetooth Profiles: A2DP (Music source), A2DP (Music sink),
HFP1.5 (Hands Free) and SPP (serial port)
Weight: 0.31 lb. [0.14 kg] Max.
Power: 18 to 30Vdc