*Chipset：JL6973D4
*Bluetooth Version：5.3
*Talk/Music time：8 hours
*Earphone battery：40mAh
*Charging case battery：350mAh
*Charging time of earbuds：1 hour
*Speaker: 32Ω Ø 11mm
*NC：≤-28db
*Charging plug type：Type-C
*Color：Black / White / customized color
