Features: High performance chip support bluetooth-compatible version 5.0 Support 6.5mm microphone and 3.5mm earphone functions Support calling (long press the pause button to answer the call when there is a call) Support recording. Recording only supports operation in TF mode or USB mode.(Long press the MODE button to start recording, long press the MODE button again to cancel the recording and play the recorded file; exit the recording mode and long press the pause button to exit. When recording, you need to connect a storage device, such as a U disk or TF card;) Support power-off memory; Main functions MP3/USB/TF/LINEIN/FM-/Bluetooth-compatible/remote control-. Can directly connect to the speaker, with power amplifier and decoding functions. Specifications: Item: Car MP3 Decoder Chip: TPA3116- Power Supply Voltage: Supports DC8v-24v Current: 1-4A Power of Channels 2x 80w, Total Power: 160w Size: appprox 130x43x60mm/5.12x1.69x2.36in Remote Type(Optional)：Black Silicone Remote/ Small Silicone Remote/ Small Remote Main functions: MP3/USB/TF/LINEIN/FM-/Bluetooth-compatible/remote control FM radio Frequency Band:87.5MHZ-108.0MHZ Key: 6 keys for VOL -/AUTO/VOL+/MODE/light transmission knob TP-C supports output discharge, parameter 5V-2A Package Includes: 1 Set MP3 Decoder Board note: Due to the problems of lighting effects and shooting angles, there will be certain tolerances in the product, please understand. Please allow 0-1cm error due to the manual measurment.