Power bank with bluewooth earphone

详情

~Overall size (with battery compartment): *0mm * *0mm * *7
Headset size: *0mm * *0mm * *5
Headset Weight (without packaging): 5.9 g
Overall weight (without packaging): *8.3 g
Headset total standby time: ***0 hours
Headset total talk time: *0 hours
Headset stand-alone time (not into the charging position): *0 hours
Headset continuous talk time (not into the battery compartment): 4 hours
Headset charging time: 1 hour
Battery compartment charge time: 2 hours
Headset battery capacity: *5 mA
Battery compartment battery capacity: **0 mA
Bluetooth version: 4.1 version
Transmission distance: *0 meters
Working frequency: 2.**2G **- 2.**0G
Working temperature: (**0 ℃ **- *0 ℃)
Operating voltage: 3.4 - 4.2v
Input: 5v
Output: 5v