Features 1、Supports for FLAC, WAV, MP3, WMA format decoding. 2、With the function of FM radio function and voice prompt. 3、With heat sink, it is safe to use, durable, lightweight and portable. 4、Comes with remote control, more convenient to use and easy to operate. 5、Audio source supports for U disk / TF card decoding play and Bluetooth receiving playback. 6、TPA3116 dual channel 2x50W, high efficiency and low‑heat, applicable speaker impedance: 4,6,8 ohm. 7、This Bluetooth audio receiver board is able to give your amplifier/home stereo Bluetooth capability, just a very simple operation can be converted into wireless audio. 8、Additional features: with FM Radio, remote control to receiver (infrared mode). Specification Condition: 100% Brand New Item Type: Amplifier Board Bluetooth Version: 3.0 Audio Source: 1. U disk TF card decoding playback (support for FLAC, WAV, MP3, WMA format decoding) 2. Bluetooth receiving playback Amplifier Chip: TPA3116 Stereo Power 2x50W with heat sink (24V 3A or above is recommended) Additional Functions: FM radio function, there is a prompt tone: beep prompt, U disk TF card FM Chinese voice prompt Remote Control Battery: 3V 150mAh Button Battery (Not Included) Package List 1 x TPA3116 Amplifier Board 1 x Remote Control (Battery Not Included)