i7S

Bluetooth chip: JL 5.0(6936) Siri voice assistant function
binaural HD call
Transmission distance: outdoor straight line distance 10-18 meters
Headphone battery capacity: polymer lithium battery 50mah
Charging box battery capacity: 500mah
Listening to music time: 3.5 hours Up and down music / pause playback
Talk time: 3.5 hours
Standby time: 130 hours
Charging time: 1-2 hours
Working current: 22MA
Standby current: 4uA
Bluetooth level: class2 and class3
Band/band: 2.4—2.485GHz
Maximum transmission power: +2DBm
(impedance): 50 ohms,
(sensitivity): -85dBm,
(rated power): 2 dBm, (maximum power): +4dBm