Bluetooth: V5.0
Working distance:10M
SNR:≥90db
Battery: 3.7V 400mah
Normal volume playing time:1H
Speaker driver: ¢52mm*1
Power: 4Ω/3W *1
Frequency response:120HZ-20KHZ
Unitsize:95mm*46mm*97mm
Charging:5V/500MAH
Charging time: 2-3H