UA-27 BEEPER Retractable Bluetooth V5.3 Headset Works for Conference call meeting, skype conversation Multi-point connection with two Bluetooth V5.3 enable devices Automatic Re-connection with your headset and Bluetooth enable devices Voice Dialing and last number Redial functions Work with all iOS and Android devices Two types wearing style, clip on the clothing or wear by a neck strap. With out of range alert and beeper,