Features: Support Bluetooth-compatible version5.0 wireless connection TPA3116 high performance chip is used as the power- chip. Support the calls (press the pause button to answer the calls for the duration of the incoming call). Support recording. Recording only supports operation in TF-mode or USB mode. (Press and hold the MODE button to start recording, then press and hold the MODE button again to cancel recording and play the recording file; Exit the recording mode and press and hold the pause button to exit. When recording, you need to connect storage device, for example: 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 50w, Total Power: 100w Size: appprox 91X42MM/3.58x1.65in Remote Type(Optional):Big Remote/ Silicone Remote/ Small Remote Main functions: MP3/USB/TF/LINEIN/FM-/Bluetooth-compatible/remote control 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. Package includes: 1 Set MP3 Decoder Board