K1 LED LCD (QVGA) Mini Video Projector - International Version (No Warranty) - DIY Series - Black (FP3224K1-IV3) International Version - Product may not include US Warranty Environmental protection design: Up to 50,000 hours LED lamp life and lower power consumption. Multi selection of inputs: HDMI/USB/SD/VGA/AV,meets your daily needs. Native Resolution: 480*320, support 576P/720P Speakers built-in projector,no need connect with any extra speakers.But If need, you can connect speaker via the 3.5MM Audio Port. NOT Recommended for business presentation. Ideal for your home theater and games. Portable Mini LED projector, Easy to carry and best use for Home entrainment.