Bluetooth 5.1
Input voltage: 2000mah 3.7V rechargeable lithium battery
Play time: 15 hours, talk time: 18 hours long standby time: 250 hours
Charging input voltage: DC5V 500MAH
6u loudspeakers*2 strong low bass
Frequency response range: 20Hz-20KHz
Sensitivity: 93dB 2dB
Signal-to noise ratio: 80Db Transmit/Receive Frequency: 2.4---2.48GHz
Distance: barrier-free 10m
Type-C fast charging port,30min full charging