BT Chipset: JL6983D4
Bluetooth Version: V5.0
Drive Unit:F10 D
Driver Impedance: Copper 32Ω±15%
Wireless frequency: 2.4GHz
Frequency range:20-20k Hz
Earpiece battery: 30 mAh 401010
charging case: 200mAh 502030
Charging port: type C
Music time: 3-4H