Samsung HM3600 Bluetooth Wireless Headset On the ear speaker design makes it easier to move and keep this Samsung Bluetooth on your ear The dual mic noise reduction and echo cancellation lets you keep crisp and clear sounds Voice prompts let you find out if the device is connected, say a command and more Advanced multipoint lets you connect to two different phones, like your personal and business phones Up to 6 hours talk time or 180 hours on standby before needing to re-charge