Product Specification/Models
-Bluetooth Version:4.0
-The Maximum work range:33 Feet(15 Meters)
-Standby time:Around 100 Hours
-Music play:Around 13 hours
-Talk time:Around 15 hours
-Charging time:4 hours
-Charging Voltage:DC 5V
-Work Voltage:3.7V
-Sensitivity:113±3dB
-Frequency response:20Hz~20KHz
-Battery Capacity:420mAh
-Product color:Red,Green,Yellow,Black,White or custom

Application
Can be used for mobile phones such as iphone,ipad or other smart phones/devices which have bluetooth function to listen music and making telephone calls.

Other Information
Southern Telecom, Trust, Tesco, C.K. Group, etc. are our several successful customers cooperating for at least more than 3 years. 

Price can be negociated, the more qty the more favorable price, of course!

Email me or call me directly  for talk more the details, thanks!