With the Motorola SonicRider Bluetooth In-Car Speakerphone, you can keep your hands on the wheel and eyes on the road while making and taking phone calls. The SonicRider connects via Bluetooth to your device and provides you with up to 45 hours of talk time and up to 5 months on standby. The road can be a noisy place, which is why the SonicRider comes equipped with exceptional noise and echo cancellation technology and a powerful 2-watt speaker, so your calls are always clear on both ends of the line. It even speaks to you with audible voice prompts that let you know when your device is paired or muted and alerts you when your battery is low. Hit the road responsibly with the Motorola SonicRider Bluetooth In-Car Speakerphone.