Click here to see more: https://www.gearbest.com/headsets/pp_009491176482.html?wid=1433363 Main Features:
●Bluetooth 4.2, compatible with 99 percent devices, supporting Android and iOS systems
●Over 30h music time ( max. ) with 600mAh magnetic charging case
●Ergonomic, sweatproof, snug fit for the ears
●CVC 6.0 noise cancelling to filter out background noise for clear voice and enjoyable communication
●One-button operation, convenient control of music, volume and call
●Voice prompt for connection status, phone number of incoming calls, and last number redial

Source: https://www.youtube.com/watch?v=bIXkl6DxjKA