Bluetooth: V5.0
Working distance:10M
SNR:≥90db
Battery: 3.7V 300mah
Normal volume playing time:1H
Speaker driver: ¢52mm*1
Power: 4Ω/3W *1
Frequency response:120HZ-20KHZ
Unitsize:88mm*50mm*96mm
Charging:5V/500MAH
Charging time: 2-3H