[2014 Version] Soaiy Lastest Bluetooth 4.0 Car Hands Free Visor Speakerphone,slim Design,30 Days Standby Time Voice answer/decline call,Voice guidance bluetooth connection status and calling number.Stream music and GPS directions. The latest Bluetooth 4.0 (fully backward compatible) for connection in 3ms. Ultra-low power consumption,slim designed,30 day standby time,talking time:8-12 hours. Digital power amplifier, built-in Profession noise reduction microphone, make clear and natural call. A multipoint Bluetooth hands free car kit. With it you can connect 2 Bluetooth devices at the same time. Turn off automatically when Bluetooth connection is unavailable,saving power and ensuring safety.