Bluetooth 5.1 sport earphones
Detail
Bluetooth 5.0V
Input voltage: 3.7V rechargeable lithium battery
Play time: 8-10 hours,
talk time: 12 hours long
150mah battery
Charging input voltage: DC5V 500MAH
10MM loudspeakers *2
Frequency response range: 20Hz-20KHz
Sensitivity: 100dB 2dB
Signal-to noise ratio: 80Db Transmit/Receive Frequency: 2.4---2.48GHz
Distance: barrier-free 10m