iJoy LGO-NCB-TRE Logo Premium Wireless Active Bluetooth Neck Band Headset Retail Packaging &ndash; Tree Green Amazing sound - with its stereo like sound and super accurate media playback Perfect design - we've redesigned the LG tone to make life's essential audio solution for life on the go 6 Simple buttons, microphone and vibrating alert - 1)answer calls 2)volume up 3)volume down 4)next track 5)previous track 6)play/pause Battery - 300 hrs of standby time, 6 hrs of full use talk time, 1.5 hrs charge time. 3.7V, 120 mah Compatibility - Bluetooth 4.0 - from up to 33 feet away you can connect your new headset to any Bluetooth-enabled device