ZOpid - Talking Universal Wireless Bluetooth Hands Free Car Kit / Speaker Phone with Built-in Rechargeable Battery - HC-ZB323V One of the best hands free car kits - 12 different voice prompts make it real easy to use Bluetooth v1.2 - Works with any bluetooth enabled cell phone or PDA - Very easy to setup in car Digital Signal Processing (DSP) for clear sound and noise cancellation - Supports voice dialing Last number redial - 10 calls memory - Call transfer - Battery charging indicator Built-in rechargeable Li-Polymer battery - Up to 10 hours talk time - Up to 230 hours stand by time