Specification: _x005f_x000D_ Origin: Mainland China _x005f_x000D_ Type: Module _x005f_x000D_ Condition: New _x005f_x000D_ Name: Bluetooth-Compatible digital amplifier board _x005f_x000D_ Model: XH-A150 _x005f_x000D_ Chip: PAM8403 _x005f_x000D_ Transmission distance: up to 20 meters without obstruction _x005f_x000D_ Supply voltage: Micro 5V input _x005f_x000D_ Number of voice channels: 2 _x005f_x000D_ Maximum power: 5W+5W _x005f_x000D_ Weight: 42G _x005f_x000D_ Size: 99*64*24MM _x005f_x000D_ Product size: 3.9x2.52x0.94inch _x005f_x000D_ Instructions for use: _x005f_x000D_ 1. Install the TR18650 battery first, making sure to distinguish the positive and negative poles clearly! (Battery is purchased by yourself) _x005f_x000D_ 2. Two wires connect the speaker, red is the positive pole and black is the negative pole. _x005f_x000D_ 3. Insert the SD card with song files into the SD card slot or insert the disk with song files into the USB interface. _x005f_x000D_ (Bluetooth-Compatible link is also possible, but you need to turn on the phone before linking to Bluetooth-Compatible) _x005f_x000D_ 4. Turn on the power button, it will automatically read your $D card or USB flash drive and start playing songs. _x005f_x000D_ If the SD card and U disk are installed at the same time, it will read the SD card files and broadcast them by default. _x005f_x000D_ (If you want to play songs from a USB flash drive, you can press the "1" playlist switching key.) _x005f_x000D_ 5. The "1" key is the playlist switching key. You can choose to play songs in the SD card or U disk. _x005f_x000D_ However, the Bluetooth-Compatible link list cannot be switched, and the SD card and U disk need to be removed. _x005f_x000D_ 6. The "2" key is the playback pause key. Press once to pause and press again to play. _x005f_x000D_ 7.The "3" key can be a song cutting key or a volume key. Press it quickly to play the previous song, and press it long to increase the volume. _x005f_x000D_ 8. The "4" key can be a song cutting key or a volume key. Press it quickly to play the next song, and press it long to decrease the volume. _x005f_x000D_ Note: When connecting to Bluetooth-Compatible, you need to remove the SD card and U disk before connecting. _x005f_x000D_ 1. Turn on the Bluetooth-Compatible on your phone to enable the detection function _x005f_x000D_ 2. Find the device and connect via Bluetooth-Compatible _x005f_x000D_ 3. Play music and listen to your mood _x005f_x000D_ _x005f_x000D_ _x005f_x000D_ Note: _x005f_x000D_ Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! _x005f_x000D_ Please allow 1-2cm measuring deviation due to manual measurement. _x005f_x000D_ _x005f_x000D_ _x005f_x000D_ _x005f_x000D_ Included: _x005f_x000D_ 1 x XH-A150 Digital Bluetooth-Compatible Amplifier Audio Board 1.High-Fidelity Digital Amplification: Immerse yourself in the purest audio with our Bluetooth-Compatible amplifier audio board, designed to deliver high-fidelity sound. The XH-A150 is perfect for those who appreciate the nuances in their audio, providing crisp, detailed output that's music to your ears. 2.Versatile Connectivity Options: With our digital power amp module, you can easily connect and play your favorite tracks thanks to the convenient SD card and USB inputs. Get ready for a versatile listening experience powered by any 5V USB source, ensuring your compatible with beats are just a plug away. 3.Seamless Bluetooth-Compatible Integration: Experience wireless audio at its best with our mini amplifier board's effortless Bluetooth-Compatible connectivity. Pair it with any Bluetooth-Compatible-enabled device and enjoy a smooth, cordless audio experience that keeps your space tidy and your music flowing. 4.Robust Output Power: Turn up the excitement with our amplify module's powerful dual 5W output. The XH-A150 amplifier board is engineered to drive your audio with clarity and vigor, perfect for both intimate listening sessions and energizing any gathering. 5.Enhanced Control and Functionality: Fine-tune your listening experience with the precision of our stereo amplifier. The XH-A150 Digital Bluetooth-Compatible Amplifier Board comes equipped with comprehensive control features, giving you the freedom to adjust and personalize your audio settings effortlessly.