Details
Imput Port:Bluetooth wireless&3.5mm in-line
Bluetooth Specification:Bluetooth V5.0
Transmission Distance:>10m
Working Voltage:3.7V
Noise Reduction Type:One-way feedback
Noise Reduction Depth:18~20dB
battery copacity:400mAh
MAX Working Time:40h
Bluetooth Working Time:15h
Charging hours:1.5h
Unit Diameter:40mm
Impedance:32Ω
Frequency:20~20KHz
Speaker Sensitivity:105dB
Microphone Sensitivity:-40dB
Wire Length:1.2m
Product Weight:350g
Packing Size:20.5*14*8.5cm
Package: 20PCS/CTN
N.W:7.40KGS
G.W.:8.10KGS
MEAS:47*40*39CM