LG HBM-700 Bluetooth Style-i Headset Bluetooth Version 1.2 with Headset and Hands-Free support 180 mAh Li-Ion Battery - 8 hours talk time - 200 hours standby time Hold Key to Lock Button - 2.5 Headset Jack - 0.79 oz. (22 g) weight Compatible with any Cell phone, PDA or any device that is Bluetooth Compatible 1 year warranty from LG