Product Parameter
Bluetooth version:4.1
RF rang:10 m
Sensitivity: 114±3db
Frequency Response Range: 2400.0 2483.5mhz
Battery: 80 mah 3.7v Li-Polymer Battery
Input: Dc 5v
Full Charging Time: About 1.5Hours
Plug Type: Micro USB
Minimum Rated Talk Time: 6 hours
Minimum Rated Standby Time: 100 hours
Line Length: 23.25 inch
weight:120 G
Package Includes
1 x Bluetooth Earphone
1 x Charge Cable
4 x Ear Cap
1 x Manual
1 x Storage Box 
