Features: brand new and high quality The power supply voltage of this motherboard is 5V. High integration Main board functions mainly include audio amplifier, power amplifier module, bluetooth-compatible output module, power conversion module, audio output module, headphone output module, switch, volume adjustment, power indicator, etc. It can directly drive two speakers of 4 ohms and 3W (speakers are not included), or through the audio output module, an external power amplifier speaker. Provide better listening enjoyment. Made of PVC material, which is durable and reliable. Specifications: Material:PVC Size:Approx.12 for cm/4.72 inches Note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1x Record Player Motherboard