Product name: TWS Bluetooth earphones/headphones with charging case
Standby time: 130 hours
Playtime: 3-4 hours
Turn on the phone after shutdown, and the headphones automatically connect to the mobile phone.
Headphones have sound in both ears for two-channel calls.
Charging voltage of charging box is 5V.
The charging time is 1 hour, the capacity of the charging box is 300 mAh, and the charging red light is always flashing.
The charging box can charge the earphone about four times.