Sound pick-up：Condenser microphones
Reverberation mode: Echo reverberation
Bluetooth version：V5.0+EDR
Frequency Response ：2.402G-2.480GHz
Receive sensitivity(TYP) ：-85dB
Signal-to-Noise Ratio：≥80dB
Distortion：≤3%
Speaker output ：8W
Speaker Specification：52mm 4Ω/8W
Frequency Response：100Hz-18KHz
Charging Voltage：5V/1A
Battery capacity：2000mA/3.7V
Product size：215*9.5*7.5mm
Single NW/GW ：382g/540g
Audio Input ：bluetooth、line in
Gift box size ：258X130X86 MM
Packing ：K=K 54X45X28.5MM
GW：12.0KG/20PCS
