·Mini Bluetooth earphone ，V4.1，support Musicplayback，voice prompt function.

·1.Bluetooth version :V.41+EDR compatible with V3.0，V2.1，V1.12

·2.transmission power: Class2 3，

3.transmission frequency :2.4GHz

·4.transmission distance :10m

·5.conversation time :5—8 hours

·6.Standby time :12 hours

·7.Support file format :A2DP music player， earphone and handsfree mode

·Instructions: Need to match when you use it at the frist time ，press the key button forlong time until the red and blue light flashing alternatelythen turn on the Bluetooth in your phone ，and search and match it .

·Compatible with Apple IOS series ，Android series ， windowsiPhone，windowsMobile，symbian，Linux phone .

Please don't hesitate to contact us if you have any questions or concerns before or after your purchase. We are committed to your 100% satisfaction.

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