YYK-525 business single-ear Bluetooth headset

Battery charging saturation voltage 4.15V – 4.2V
Battery charging saturation time: about 1.5 hours
Low voltage warning voltage 3.4V
Low power shutdown voltage 3.2V
Shutdown static current ≤5uA
Connecting standby current ≤0.6MA (about 20 seconds after pausing music)
Communication current ≤13mA
Play music current ≤12MA
Talk time Approx. 4.5 hours (at maximum volume)
Play time Approximately 5.5 hours (at maximum volume)
Standby time after connecting the device: about 30 hours
Battery capacity and specifications 40 MAH\ 50101 2 (varies with order)