Feature: 1. Radio (FM) 2. Supports reading TF cards and USB flash drives (audio) 3. AUX function 4. Bluetooth function 5. RCA audio output to a subwoofer 6. Colorful lights 7. USB phone charging function (1.5A) 8. Phone app control function; locating and finding my car function 9. Power supply positive and negative reverse polarity protection Specification: Software solution: 5301 Radio frequency: FM 87.5~108MHz Power amplifier IC: TDA1028 Output power: 45W x4 Working voltage: 12~14.4V Working temperature: -10~+60 ℃ Bluetooth version: 5.0 (default name: CAR BT) WiFi frequency: WiFi not supported GPS signal: not supported Installation size: 178x50mm/7.0x2.8" Shell size: 187x58mm/7.4x2.3" Depth: 55mm/2.2" Phone app control: supports (for iPhone/Android phones) Locate and find my car: supports Steering wheel control function: not supported Front USB port: 2 USB ports, one for charging and one for USB 2.0 reading TF card: supports Reset button: supports Supported audio format: MP3/WMA/WAV/FLAC RCA port Audio output: 2 channels (left channel + right channel) Video output: not supported Audio input: front AUX input (left channel + right channel) Video input: not supported Reversing video input: not supported Note: There may be slight size deviations due to manual measurement, different measuring methods, and tools. The pictures may not reflect the actual color of the item because of different photographing lights, angles, and monitors. What's included: 1 X Car Radio 1 X Remote Control (No Battery Included) 1 X Speaker Cable 1 X Power Cable 1 X Manual