Bluetooth Version: Bluetooth 2.1 
Transmission Distance: W/O obstacles 10m 
Driver Unit: 45mm 
Speaker Impedance: 3 ohm 
Power Output: 5W x 2 
Freq: 80Hz-20KHz 
Sensitivity: 80dB 
S/N: 90dB 
Distortion: 0.03% (line out) 
FM Radio Frequency: 87.6 — 108MHz