Interchangeable, removable batteries for charging and operating simultaneously. Lightweight and easy to use design fits comfortably over the ear. br br ul li Better call quality, less interference and faster connections li li Compatible with Bluetooth V1.2 and V1.1 and also can connect with other Bluetooth devices, eg., PDAs, laptops, computers li li Mini sized and light weight li li Security encrypted link li li Range up to 30 feet li li Comfortable and removable li li Replaceable and rechargeable polymer li ion battery li li Easy one touch operation li li Multi functions volume adjustable, mute function, voice dial, redial, etc. li li Low battery warning indicator li li Incoming end call music alert. li li 3 buttons for easy operation and precision step volume control. li li Bluetooth audio single chipset for low power consumption. li li Offers up to 7 hours of talk time. li ul