● BT Chipset: AC6976, 5.3V
● Battery: 40mAh*2 (Earbuds)
300mAh (Charging case)
● Transmission distance: ≥10m
● Playing time: 5-7 hours
● Charging time: 1-2 hours
● Charging interface: type C
● Special features: ENC, battery percentage display, IPX4 waterproof