GTMax Mini Bluetooth Handsfree Headset for Compatible Models Answer / End / Reject call. Comes with On/Off button. Last number redial. Includes removable earhook & AC power adapter. Operation Range: 10 meters (extended). Talk time: up to 6 hours. Standby time: up to 200 hours. Charging time: 1.5 - 2.5 hours. Battery: Rechargeable polymer battery. Return Policy:We DO NOT offer refund on ALL Bluetooth Headsets. If defective, you may return this item to exchange for the SAME ITEM only.