Introduction: 1. bluetooth solution 4.2 is compatible with most bluetooth mobile phones in the market and can be adjusted to GSM/GPRS/UMTS/hsdpa network) 2 wireless installer can be used directly by removing the original sunshade. Magnetic suction ready to use or not receive the call via bluetooth 4. Built-in microphone and stereo 6. More user friendly play music on mobile phones 8 connect to automatically paired phones 9. power screen IPHONE1 battery use (with voice prompt function) instructions: After installing the battery in a hands-free car press and press the power button until you can hear "beep" or "turn" on "alert, which means it is activated" fast and fast flashing light. That is, it starts to go into the pairing status with the mobile phone and then goes to handle mode. "" Enter bluetooth on the mobile phone and enter the matching code: 0000 For the match successfully. You can hear" beep "from the handset and the indicator light flashes on and slow. This means that, once connected, if you want to shut down, simply press the power button for a long time ""+" "and "" display the volume button up and down the structure. The sunshade hanger does not control the limited area and the quality of the call still does not change the output at the point of the USB plug, the voltage 5 V and 500 MA current, which can not only charge the host, but also provide the power of the mp3 mobile phone and other digital devices. Accessories: 1 USB at the point of the car charging point 1 MINIUSB charging cable the rear clip is hanging the nearest sunshade to your mouth! Mobile phone volume Assurance Bluetooth Hands Free Large volume and clear sound quality is a plus to it! Highlights: Bluetooth Wireless Bluetooth Features: Latest Bluetooth model: V4.2 + EDR2 Usage Frequency: frequency (2.4 ~ 2.48 GHZ) 33.0enjoy The super versatile Bluetooth with BUILT-IN design. 550g DUAL function. Play cool and cool with DSP. Shop for best quality products from you trust. With your favorite price. The product has been certified to be durable and you can shop for your favorite lifestyle at home. 6 with 2 W speaker 2 W high accuracy and 7 sensitivity microphone Type: Lithium Battery 3.7 V 350 MAH (B-5 B 8 Standby Time: Up to 100 hours 9 Charging time: 2 to 3 hours