No wires. No limits. Designed to enhance the experience of any Bluetooth® technology enabled phone, the Motorola Wireless Headset HS850 stores information from the device or devices with which it has been paired (device ID, etc.). Motorola headsets can be paired with up to seven devices. Wirelessly interacts with Bluetooth 1.2 compliant devices, including handsets, PDAs and computers

The Wireless Headset HS850 is compatible with the Motorola A630, RAZR V3, V505, V600 and V710 phones. It is also compatible with other Bluetooth 1.2 enabled devices including cellular phones and PDA's from many different manufacturers.

The Wireless Headset HS850 supports the Bluetooth Headset Profile and Hands Free Profi

User Manual