E7 Invisible Mini Bluetooth Earphone Wireless-Single
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Description: 1. Bluetooth specification: bluetooth V4.1 ; Support protocol Headset Hands-free A2DP Avrcp; 2. Transmission scope: 10m, Transmission frequency: 2.4GHz ; 3. charging voltage:DC 5V, Charging time about 1.5 hours; 4. capacity: 30mAH, size: 23*19*10mm; 5. talk time: about 2 hours; music time: about 2 hours; weight: 4g; 6. Electric quantity display < support apple iphone and partial Android mobile phones>; 7.Dynamic and mini appearance design, small body, piano baking varnish, being elegant, attractive and cool.