Hi8 Wireless Bluetooth Earphone Non-in-ear Hands-free Headphones Ear Hook Business Headset Black

Name: Hi8 Wireless Headset
Product chip: BK3266
Bluetooth-compatible version: V5.0
Bluetooth-compatible protocol: A2DP AVRCP HFP HSP
Communication distance: 10 meters
Transmission frequency: 20HZ-20KHZ
Continuous talk: about 5.5 hours
Play music: about 6.5 hours
Standby time: about 108 hours
Charging time: 1.5 hours
Battery capacity: 100mAh for earphones, 400mAh for charging case
Charging interface: TYPE-C
Headphone size: 62.19 x 50.91 x 13.97mm (headphone)
Colour: Black

Packing list: 
Charging case  x 1
Headset x 1
Charging cable x 1
Instructions x 1

Note:
Due to manual measurement, please allow 1-3 cm error, thank you.
Due to screen and other objective reasons, there may be a certain color difference, please understand.