Hit the road and enjoy your independence with the Nokia Wireless Plug-in Handsfree HF-33W. This handsfree unit plugs into the vehicle lighter socket and connects to a compatible phone via Bluetooth wireless technology for in-car handsfree use. Wireless handsfree communication: -Connects with the a compatible mobile phone via Bluetooth wireless technology - Simple user interface for comfortable call handling (accept/reject/end call/redial/volume control) - Excellent audio quality due to Digital Signal Processing (DSP) for echo canceling and noise reduction Easy installation and use: - No installation required; just plug into the vehicle lighter socket - Integrated microphone, speaker, and illuminated buttons - Flexible hinge for positioning the device in the vehicle lighter socket