Feature: 1. Bluetooth Compatibility: Single din car Bluetooth MP3 player is compatible with sound output from smartphones and MP3 players, featuring Bluetooth connection, USB and AUX ports for playing music from any device. It also includes a built in radio for listening to AM FM stations for the latest in music, news, sports. 2. Built In Microphone: With Bluetooth, you can answer or make calls without distractions. The built in microphone picks up your voice, and car speakers allow you to hear the other person clearly. Wirelessly play and control music and apps like for Spotify. 3. Versatile Inputs: USB 2.0 port provides access to a vast library of sound files. AUX input is a convenient way to connect MP3 players or devices, and the Type C interface supports fast charging for your devices. 4. Ample Outputs: Utilize front and rear preamp outputs to connect speakers, with 4 channel sound output for left front, right front and left rear, right rear sound channels. 5. Stable Bluetooth Connection: Built in 5.0 Bluetooth chip ensures stable signal connectivity for uninterrupted calls. Wiring protection function helps reduce losses for customers. Specification: Item Type: Car MP3 Radio Player Material: Metal, Plastic Bluetooth Version: 5.0 Software Program: 5323 Receiving Frequency: 87.5‑108MHz Voltage: DC 12‑14.4V Output Power: 45W x 4 Playback Mode: U Disk, AUX, Bluetooth, Plug in Card Playback (Maximum Support for 128GB, Shipped Without Memory Card) Sound Output: 4 Way (2 Way Left Channel and 2 Way Right Channel) Sound Format: MP3, WMA, WAV, FLAC, APE Front USB Port: 1 x Type C Charging, 1 x USB Charging, 1 x USB2.0 Reading Installation Size: Approx. 178x50mm/7.01x1.97in Panel Size: Approx. 188x58mm/7.40x2.28in Player Depth: Approx. 55mm/2.17in Remote Control Battery: 2 x AAA Alkaline Batteries (not Included). Package List: 1 x Player2 x Power Cord1 x Remote Control1 x Instruction Manual Note: All data are measured manually, and there are certain errors in the measurement results.