V3xx RAZR Cradle:

The Motorola V3xx Razr hands free cradle is designed to be installed into the vehicle and comes with a rotatable mounting bracket. The power cord is designed to be connected to the vehicle fuse panel or battery and the holder has an external antenna connector. This Motorola V3xx Razr cradle will charge the Motorola V3xx Razr battery and must be used with an external cellular antenna or cell phone booster. Adding a cellular antenna or 3 watt cell phone signal booster repeater will increase reception and extend the transmit range of your Motorola V3xx Razr substantially.

NOTE: This V3xx cradle can be used in conjunction with any Bluetooth car-kit like the Bury Comfort Compact BT or VoiceTalk BT car-kits