● BT Chipset: AC6973, 5.1V
● Battery: 40mAh*2 (Earbuds)
300mAh (Charging case)
● Transmission distance: ≥10m
● Playing time: 6-7 hours
● Charging time: 1-2 hours
● Charging interface: type C
● Special features: ENC, IPX4 waterproof