Life n Soul MT102 Bluetooth Earphones with Adapter, Silver Multiple pairing to 2 Bluetooth devices. Embedded Mic for hands-free conversation from Bluetooth-enabled cell phones. Power on/off, answer/hang up phone call, pairing, Volume up/down, play/pause, previous/next track. Automatically connect to the last connected Bluetooth device. iPhone battery capacitive. LED to indicate status including charging/finish charging, low battery, pairing/finish pairing, lost link, on/off.