Description/Features: This advanced MP3 Decoder Board is designed for seamless integration into car audio systems, offering a wide range of features including Bluetooth connectivity, FM radio, and multiple format support. It is equipped with a digital display and supports remote control operations, making it a versatile choice for enhancing your audio experience. Specifications: Main Control IC: AB5322B Bluetooth IC: B5322B Power Supply Voltage: DC 12V Bluetooth Version: 5.0 Supported Music Formats: MP3, WMA, WAV, APE, FLAC Call Function: Yes Recording Function: Yes Radio FM Frequency Range: 87.5-107.5 MHz Support Functions: MP3, USB, TP, LINE IN, FM, Bluetooth, Remote Control Memory Card Support: MMC, SD, MMA (up to 32GB) USB Interface: Yes (supports up to 32GB) Power Off Memory Function: Yes External Audio Input: LINE IN Button Controls: VOL-/AUTO/VOL+/MODE Interface Description: USB: For USB flash drives LED: Digital display (red) Infrared Receiver Module TF: For TF storage cards AUX: Audio input interface VOL-: Track selection and volume control PLAY/PAUSE: Play, pause, and FM station search VOL+: Track selection and volume control MODE: Mode switching and recording function Color: White Material: Aluminum Alloy Package Contents: 1 MP3 Decoder Board MP3 Player Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.