【With Electric Focus & No Manual Focus Ring Needed】 Equipped with an electric focus function, you can instantly achieve a sharp image by simply using the "F+" and "F-" keys on the remote control to adjust the focus. Featuring the latest dual-band 2.4G or 5G WiFi connection and high-strength anti-interference capabilities, it provides a stable signal and high-speed transmission. Connects with iOS, Android, and Windows devices via 5G Wi-Fi. Wireless mirroring and wired mirroring are both possible even without a Wi-Fi environment; wired connection is also available via USB cable. 【Low Latency & Bluetooth 5.3 Function & 50% Zoom】 The home projector can wirelessly play audio via 5.3 Bluetooth. When connecting the projector to Bluetooth earphones, you don't have to worry about the sound disturbing others while watching movies. While conventional small projectors can only shrink to 75%, this home projector has a 50% zoom function, allowing for adjustment of the screen size from 50% to 100%. 【4K Support & 13000 Lumens & 1080P Projector】 The 4K projector is equipped with a native resolution of Full HD 1920×1080P and 13000lm high brightness, supporting 4K. With an optical glass lens and a contrast ratio of 13000:1, you can enjoy high-quality, detailed, and beautiful images. Note: To protect copyright, content within apps like Netflix, Prime Video, and Disney+ cannot be screen mirrored from a smartphone. 【Wide Compatibility & Low Noise & ±15° Keystone Correction】 In addition to WiFi/Bluetooth connections, the projector is equipped with input terminals such as AV/USB/HDMI, allowing connection to various peripheral devices like computers, mobile devices, TV boxes, smartphones, DVD players, and USB memory sticks, for use with movies and games. Effective noise reduction technology is employed, keeping noise levels below 45dB. Experience exciting visuals on a large screen with movies, live performances, and TV. Easily correct vertical keystone distortion of ±15° by turning the "keystone correction" ring. 【300-inch Large Screen】 The home projector supports a wide range of screen projection sizes, up to a 300-inch large screen.