<p>1. Bluetooth version 5.0.</p> <p>2. The amplifier chip uses TPA3116.</p> <p>3. Support calls ( and hold the pause button to answer the call when a call comes in).</p> <p>4. Support recording. Recording only supports TF mode or USB mode. ( and hold the MODE button to start recording, and hold the MODE button again to cancel recording and play the recording file; and hold the pause button to exit the recording mode. When recording, you need to connect a storage device, such as a USB flash drive or TF card)</p> <p>5. Support power-off memory.</p> <p>The power supply voltage supports DC 8v-24v, and the current is between 1-4A.</p> <p>Can be directly connected to the speaker, with power amplifier and decoding functions.</p> <p>Support song formats MP3 \/ WAV \/ APE \/ FLAC</p> <p>Main functions MP3\/USB\/TF\/LINE IN\/FM\/BLUETOOTH\/remote control.</p> <p>The total power is 100W, 50W for each of the two channels.</p> <p>Support folder selection and playback. Button FD+ is folder Button FD- is the previous folder</p> <p>Color:Black</p> <p>Material:plastic</p> <p>Package Contents:</p> <p>1 * Decoder Board</p> <p>1 * remote control (without CR2025 battery)</p> <p>1 set * cables</p> <p>Only the above package content, other products are not included.</p> <p>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.</p>