Product information:

Material: ABS+PC
Version: V5.2
Communication distance: 10m
Music time: About 5 hours (70% of the volume)
Music time with a charging case: About 20-25 hours
Battery capacity: 40mAh/0.148Wh（earphones） 300mAh/1.11Wh（charging case）
Earphone rated input: DC5V⎓70 mA
Charging case rated input: DC5V⎓500 mA
Earphone rated consumption current : 8 mA
Charging case rated current consumption: 100mA
Charging time: About 1.5 hours
Frequency response range: 20Hz-20kHz
Charge interface: Type-C
Suitable for: Compatible with all wireless devices

Size information:
5.5*3.7*2.9cm

Packing list :

A pair of Bluetooth headset
Usb*1
Replacement earplugs*6 PCS

Manual*1

Product picture: