1Dual USB ports, one for U disk reading, one for mobile phone fast charging . Never worry about running out of battery on your phone when playing songs with a USB flash drive. 2Long press the main button to trigger the music collection function, the radio will automatically record the music you are playing (from the radio, Bluetooth, AUX, etc.) to the U disk. Just click "Save" you can listen to your favorite songs forever. 3The sevencolor backlight and dynamic music allow you to enjoy the feeling of a ballroom in the car. The backlight color can also be fixed to one color. 4Dual Bluetooth technology allows you to connect two mobile devices at the same time. By default, the first Bluetooth connection song is played first. When the current Bluetooth connection device is disconnected, the second Bluetooth connection song will be played automatically. 5Builtin unique memory chip, can automatically memorize the listening progress of your last song. Another time you turn on the radio, you can continue to listen to the interrupted music.Conditon: 100% Brand New Item Type: Car MP3 Player Material: Hardware+Plastic+Electronics Color: As Pictures Shown Panel Size: Approx. 188 x 58mm/7.4 x 2.3in Model: SWM-505 Voltage: 12V Software Solution: AB3510 Screen Model: LCD_VA Screen Size: LCD Screen Resolution: No Panel Lighting: Colorful Lighting Radio: FM Radio Chip: Integrated Chip Power: 60W Working Temperature: -10 - +60 Bluetooth Version: 4.0 Power Amplifier Chip: TDA7389 Radio Frequency: FM 87.5-108MHZ Remote Control: Card Remote Control Steering Wheel Remote: No USB Interface and Version: 2 USB Interfaces (One USB2.0 Interface, One Charging Interface) Reset Button: Yes Button: Physical Button RCA Terminal Introduction: 2 RCA Outputs (2 Red/White RCA Jacks) Front Aux Audio Input: Yes DVR Function: No DAB Function: No OBD Function: No TV Function: No DVD Movement Model: No Supported Audio Format: MP3/WMA/WAV/FLAC Remote Control Battery: Built-In Button Battery Battery Model: CR2025 Battery Capacity: 300mAh 1 x Host2 x Power Cord 1 x Remote Control2 x Disassembly Key 1 x Manual