In-ear style wireless Bluetooth ear buds, metal ear case Bluetooth 4.1, Ear caps built-in magnet

- Ear caps built-in magnet, able to attract both ear caps together. And it’s ok to wear on the neck, if you don’t want to use it to listen.

- Compatible with any Bluetooth audio player, or any mobile phones with Bluetooth system

- Play music and able to have mobile phone conversation through earphone’s MIC, hands freely.

- Bluetooth version 4.1

- With volume up/down button & previous/next button

-Material: ABS, 

-Transmission distance and range (10m, 360°)

- Frequency: 2.402-2.480GHz.

- Working voltage : 3.0V～4.2V

- Speaker Impedance: 32Ω±15% 

- Power supply: Built in 55mAh rechargeable battery

- Accessory: 1pc charging cable, 1pc User manual, 1 clip