Sports Bluetooth Earphone 
Brand Name : Yesido 
Bluetooth version : 4.1+ EDR 
Style : in-Ear 
Color : Black , White 
Connectors :USB 
Standby time : 70H
Talk time : Up to 2.4H
Full Charging Time : 2 hours 
Freqiency Table : 2402.0-2480.0MHz