Hand Gesture recognition feature The machine supports the following two gesture control functions. 1. Swiping your hand from left to right In the reception state, swipe your hand from left to right, with the function of next frequency selection of radio station ID. In MP3, Bluetooth playback state, swipe your hand from left to right, with the function of selection of next songs. After the Bluetooth is connected, when the phone rings, you can get on the phone through swiping your hand from left to right. 2. Swiping your hand from right to left In the reception state, swipe your hand from right to left, with the function of previous frequency selection of radio station ID. In MP3, Bluetooth playback state, swipe your hand from right to left, with the function of selection of previous songs. After the Bluetooth is connected, when the phone rings or the phone is connected, you can hang up through swiping your hand from right to left. Muti-functional car radio Voice control Voice Control One Key to Awake Your Siri to Help You Without Even Touching Your Smartphone. Safer Driving Environment. Handsfree Calling Built-in Mic with noise reduction technology, you can make hands-free calls easily and safely. The phone button helps you to answer,reject,redial calls. Phone charging, USB playback, AUX IN playback, Bluetooth playback Support various brands of USB devices, up to 32G( It is recommended to use a 16G USB flash drive for a better experience.) Another USB Charging Port Charge your phone anytime , anywhere , and never worryabout running out of power when you navigate (*Support up to 5V / 2 . 1A high current output .) AUX Input Adopt 3 . 5MM universal headphone jack , canbe connected to MP3 portable players , mobile phones and other devices that support AUX output( AUX cable needs to be purchased separately ) FM Radio FM Radio With FM radio 18 preset station, which can search channels in full-automatic/ semiautomatic/ acurate adjustment ways. Frequency Range : FM 87.5-108 . 0MHZ Listen to various traffic conditions , weather conditions , music broadcasts , at any time Packing list 1 * 1-Din Bluetooth Car Stereo2 * Power cables1 * Disassemble the key1 * Remote Controller1 * User manual Specification Color: Black Installation Space: 1-DIN Voltage: 12V Music Source: USB flash disk, Flash drive,3.5mm stereo headphone jack, Cellphone Built-in EQ: Pops, Classic, Rock Built-in Bluetooth + microphone, hands-free calls and bluetooth music play. (Search for bluetooth devices on your phone.Pair to device using the password"0000". Some devices antomatically connect to the search).