Airbuds 4 High Quality TWS

Airbuds 4 Model: Airbuds 4 Bluetooth solution: Jerry Bluetooth version: Bluetooth V6.0 Bluetooth effective distance ? 10 meters Earphone body battery capacity: 30mAh, Charging case battery capacity: 300mAh Charging time: about 1.5 hours Music time: about 4.5 hours Talk time: about 3.5 hours Standby time: 50 hours of earphone standby time Charging interface: type-c Basic function: listening to music Accessories: USB-C charging cable