Used only at a meeting, in excellent condition ★ Enjoy games and videos to the fullest 【Bluetooth 5.3 & HIFI Speaker & Cooling System & Energy Saving】 The home projector has a built-in speaker, minimizing it and providing excellent expression of high and low tones, allowing you to enjoy a stereo and immersive viewing experience without attaching a separate speaker. Equipped with Bluetooth 5.3, it can instantly connect wirelessly to your favorite Bluetooth headphones, speakers, or wireless earphones. The small projector employs the latest low-noise heat dissipation system, providing powerful heat dissipation for a high cooling effect. The lifespan of the LED light related to heat dissipation is 120,000 hours. Furthermore, it excels in noise reduction, with the operating noise reaching a minimum of 35DB (usually 45DB). This home projector uses the latest LED technology, with a power consumption of only 65W. The monthly electricity cost for using it 3-4 hours a day is 185 yen. 【300" Large Screen & Zoom Function & 100" Screen Included】 The keystone correction function allows for vertical adjustment of ±15 degrees. You can easily project high-quality images and music. You can enjoy video streaming services like YouTube on a large screen wherever you go. You can easily project a full HD screen up to 300 inches. Also, it supports 33-300 inches, allowing you to select the projection screen size as needed. Furthermore, it is equipped with a zoom function, allowing you to adjust the screen display size from 100% to 50% at a fixed distance, eliminating the need to frequently adjust the projector's projection distance, which is convenient. In addition, a 100" screen is included, allowing you to easily enjoy outdoor movies even when camping or traveling. 【5GWIFI & Wireless Connection & Direct Ceiling Projection】: The latest native 1080P projector has Wi-Fi functionality, eliminating the need for mirroring equipment such as replacement cables, and can quickly connect to smartphones and tablets via Wi-Fi. Furthermore, compared to projectors equipped with the general 2.4Ghz band WiFi, the ultra-fast 5GWiFi projector displays games and live videos smoothly on a large screen without delay due to high-speed communication. Wired connection via smartphone USB cable is also possible, and connection is possible even if there is no Wi-Fi environment at home (iPhone only). There are also screw holes on the bottom of the projector, allowing for ceiling mounting and projection onto the ceiling.