Specifications:

Model: Baseus Bowie E9
Material: ABS+PC
Bluetooth version: V5.3
Communication distance: 10 meters
Use time: about 5 hours (70% volume)
Working time with charging case: 20~25 hours
Battery capacity: 40mAh/0.148Wh (earphone) 400mAh/1.148Wh (charging case)
Headphone rated input: DC5V 80mA
Rated input of charging case: DC5V 450mA
Headphone rated current consumption: 10mA
Rated current consumption of charging case: 160mA
Charging time: about 1 hour
Frequency Response Range: 20Hz-20kHz
Charging interface: Type-C
Suitable for: Compatible with all wireless devices
Waterproof grade: IPX5
Package included:

1 x Pair of Earphones
1 x Charging Case
1 x Charging Cable
1 x Pair of Earphone Covers
1 x English and Chinese Manual