Motorola T305 Bluetooth Portable Hands-Free Speakerphone (Black) Clips to your sun visor; powerful 1-watt speaker Effortless controls--press a button for power, another for calls, and 2 more for volume Includes mini USB vehicle power adaptor for easy charging Up to 14 hours of talk time, up to 200 hours of standby time Up to 14 hours of talk time, up to 200 hours of standby time