Smart mini projector with a compact design and built-in speaker, convenient for carrying around. - Model Name: Smart Mini Projector - Accessories: Tripod, remote control, USB cable, storage bag - Color: Silver - Speaker: Built-in speaker ・Size / Height 145 x Width 55 x Depth 30 (mm) *Body only ・Weight / Approximately 139g ・Battery / 4000mAh (Lithium-ion polymer battery) ・Charging/Usage Time / Charging: Approximately 4 hours / Usage: Approximately 2 hours ・CPU / ARM cortex-a7 ・RAM/ROM / 1GB/8G ・Wi-Fi / 2.4G/5G ・Display / DLP ・Brightness / 100 ANSI lumens ・Lens / High lens head ・LED Light / RGB ・Resolution / WVGA (854×480) ・Projection Range / 12～200 inches (3.8 inches/m) ・Optimal Range / 20～150 inches ・Mirroring / For IOS/Android ・Focus / Manual focus / Keystone correction available ・System / Android 7.1 ・Bluetooth / Bluetooth 4.0 (when connecting to a speaker) ・Remote Control / Infrared ・Speaker / Stereo speaker / 8Ω1W ・Input / DC5V/3A ・Ports / HDMI/USB 2.0/microSD/3.5mm earphone jack/power ・Included Items / Main unit, lens cap, remote control, tripod, storage bag, HDMI cable, power cable, AC adapter Thank you for viewing.