hsini Marathon Auto Bluetooth Headset - Retail Packaging - Black It is designed specifically for drivers; You can use it while it is charging, Magnetic Wireless Charging Dock(do not need cable); Rotated and magnetic USB base allow you to direct your headset in different angles Charging will be automatically switched on when you put the headset to the base To answer a call, you can simply take the headset from the base Any pressing is unnecessary You can Connect TWO cellphone at the same time; More user friendly as It is portable with necklace Anti Noise: so much CLEAR!