Mini Bluetooth Earphone

-specifications: Bluetooth: 4.1 wireless 

-frequency: 2.402-2.480 GHZ 

-Transmission distance: 10M 

-battery: 50MA size: 28 * 16 * 15mm 

-charging power: AC 110-240V input

-charging time: about 2 hours 

-color: black, white, khaki, pink rose, gold 

-package size: 5 * 5 * 2cm 

-the package contains: 1 x Bluetooth Earphone