Scosche solVUE Bluetooth Solar Powered Handsfree Speakerphone with Caller ID Display Lithium ion battery recharges from the sun or the included USB cable and car charger. Voice announce or caller ID display shows the name of up to 1000 contacts. One touch voice dialing with most Bluetooth cellular phones. DSP echo cancellation ensures a crystal clear conversation even in noisy vehicles. Includes windshield and visor mounts. Lithium-Ion battery recharges from the sun or the included USB cable and car charger Caller ID display shows the name of up to 1000 contacts One touch voice dialing with most Bluetooth cellular phones DSP echo cancellation ensures a crystal clear conversation even in noisy vehicles One-touch voice dialing with most Bluetooth cell phones Includes windshield and visor mounts; Bluetooth compliant; support profiles: HFP