Features: The power supply voltage is 5V, with high integration, and a single motherboard can achieve most practical functions. Main functions of the motherboard include: audioed amplifier, power amplifier module, bluetooth-compatible output module, power conversion module, audioed output module, headphone output module, switches, volume adjustment, power indicator light, etc. It can directly drive two 4ohm and 3W speakers (speakers are not included). It also provides better auditory enjoyment through audioed output modules and external amplifier speakers. Craft from durable materials to ensure long-term use, and its compact size and high integration make it very suitable for DIY record player projects. Specifications: Material: Printed Circuit Board Size: Approx. 12x3cm/4.72x1.18inch Power Supply: 5V Note: Please allow 1-2cm errors due to manual measurement. Please allow for slight color differences due to different display resolution. Package includes: 1x Portable Record Player Motherboard 3x Cable