UNIVERSAL COMPATIBLEThe Sarevile Bluetooth headset adapts the latest Bluetooth 5.2 technology. This Bluetooth headset with microphone supports two device connections. On ear wireless headphone is compatible with cell phones, tablets, computers, telephones and other Bluetooth devices. CRYSTAL CLEAR AUDIOThis wireless headset with directional microphone provides clear sound when having a phone conversation, providing a quiet call environment for the user. Enjoy the freedom of wireless mobile calls and music while driving, running and working.