UA-31 STEREO Headset with Bluetooth wireless technology Retractable Bluetooth Headset Works for Conference call meeting, skype conversation Multi-point connection with two Bluetooth 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 CAPABLE FOR LISTENING MUSIC.