The Motorola TX500 Bluetooth In-Car Speakerphone lets you enjoy hands-free calling while driving. It supports Bluetooth 3.0 and affords a generous wireless range of up to 33-feet. The 2-watt speaker has an internal rechargeable battery, and once charged can last for up to 45 hours for talking. For standby, it can last for up to 6 months. Additional features include a dedicated mute button, volume control, echo cancellation, and an on/off button to conserve battery life. It even has a visor clip for easy attachment.
TX500 Bluetooth In-Car Speakerphone