Bluetooth Chipset: JL 6973D4
Bluetooth Version: V5.0
Driver Diameter: 13mm
Driver Impedance: Copper 32Ω±15%
Wireless frequency: 2.4GHz
Frequency range:20-20k Hz
Earpiece battery: 35 mAh 451012
charging case: 250mAh 551145
Music time:4H
Calling time: 4H
IPX 4
Type C charging port
Color: White , black, green, orange