Motorola 89589N Sonic Rider Bluetooth Hands-Free Car Phone SpeakerExceptional echo and noise reduction help block road sounds while a powerful 2 watt speaker allows you to hear everything loud and clear A road trip worthy battery gives you up to 45 hours of talk time and 5 months on standby Manage your calls hands free by using your voice to "answer" or "ignore" calls Friendly audio prompts notify you about battery levels, announce callers by name, and much more. Wireless Bluetooth range : Up to approx. 33 feet