Purchased in August 2023, used only once or twice. The instruction manual is included, although it's not shown in the photos. 【Upgraded Version & Ultra-Compact】 13000LM High Brightness 5G WiFi & Bluetooth Instant Connection Real 1080P Short Throw 【1080P Resolution】 Brightness Plus 4K Compatible Home Projector Ultra-Compact Full HD High 【High-Speed 5G WiFi & True 1080P & Ultra-Compact】 Connects to iOS and Android devices via ultra-fast latest 5G WiFi. You can connect to your smartphone or tablet without using a cable. You can use both 2.4G and 5G frequency bands simultaneously, allowing you to play games comfortably with low latency. It's smaller than commercially available small projectors, about the size of a woman's palm. 【Bluetooth 5.3 & 13000LM・4K Compatible】 Equipped with Bluetooth 5.3, achieving faster communication speed, longer communication distance, and energy saving! Equipped with a HIFI speaker, you can enjoy an overwhelming sense of immersion with realistic, three-dimensional sound, creating your own space! Instead of a TV, you can project onto a large screen up to 300 inches. 【Built-in HiFi Speaker & Circulation Heat Dissipation System & 50% Zoom Function】 Built-in 10W HiFi speaker, no need to connect an external speaker. It has excellent expressive power with powerful bass and clear treble, allowing you to enjoy a stereo, immersive viewing experience anytime, anywhere. 【Keystone Correction & Wide Compatibility & Convenient to Carry】 Compatible with various devices such as Fire TV Stick, PC, laptop, DVD player, PS4/PS5, Xbox, TV box, and 3.5mm audio. You can also watch TV programs by connecting to a TV tuner with an HDMI cable. Applicable to iPad, iPhone, and Android smartphones. 【Energy Saving】 Electricity cost is 0.2 yen per hour. Product size: 14.9 x 12.9 x 6.3 cm; 1.1 kg Item model number: DP02B Product dimensions: Width x Height 14.9 x 12.9 x 6.3 cm Resolution: 3840 x 2160 Resolution: 1080p Full HD Pixels Item weight: 1.1 Kilograms