UCtech Portable Wireless Bluetooth Hands-Free Car Speakerphone Kit with DSP Noise Cancellation and Rechargeable Battery for All Apple iPad/iPhone and Most Cellphones Like Android, Samsung Galaxy S5/ S4/ S3 (Black) HD voice microphone for enhanced noise cancellation. Powerful 3 watt speaker delivers rich, excellent sound on calls, music, multimedia and GPS directions. Multipoint Bluetooth hands-free car kit allows you to connect 2 Bluetooth devices simultaneously. Simple setup with no installation, and just put it on your visor. Easy to use with dedicated answer/end, call waiting, last number redial, and auto pairing. Voice announces battery level and Bluetooth connection status. Ultra-low power consumption, slim designed, up to 20hours of talk time, and 60 days of standby time. Offered an in-car charger with USB cable so you can charge this device during using. Turn off automatically when Bluetooth connection is unavailable, saving power and ensuring safety.