Bluetooth Version: Bluetooth V5.0
Operating Voltage: DC 2.2V-5.5V
Effective Distance: barrier-free 10M
Battery Capacity: 45mA
Charging Case:280mah
Charge Input: 5V /500mA
Charge Time: about 1h
Use Time: call 4h; music playing3h;
Standby Time: 80hours
Package Included:
1*Pair of Wireless Earbuds (Left & Right)
1*Charging Case
1*Charging Cable
4*Ear cap
1*User Manual