DESCRIPTION: Introducing our Metal Projection Keyboard, a compact and versatile input device that works via Bluetooth HID. With a built-in infrared laser launcher, it projects a standard keyboard onto any sturdy, reflective or opaque surface. This keyboard is compatible with various devices such as tablet PCs, smartphones, desktop computers, and video games. FEATURES: Infrared laser launcher for projecting standard keyboard Optical recognition for click location and entering information Small size and easy to carry Compatible with most devices with Bluetooth High recognition rate of up to 350 characters per minute BENEFITS: No need for a physical keyboard, saves space and easy to carry Can adapt to most work environments Works with various devices, making it versatile High recognition rate makes typing fast and efficient Optical recognition makes typing precise and accurate HOW TO USE: Connect the keyboard to your device via Bluetooth Place the device on a sturdy, reflective or opaque surface Use the projected keyboard to type Click locations and enter information using optical recognition SPECIFICATIONS: Material: Metal Light source: Red laser diode Keyboard size: Width: 240mm, height: 100mm Keyboard location: About 80mm from the bottom of the device Project surface: Reflective, opaque plane Recognition rate: Up to 350 characters per minute Operating surface: Any sturdy plane Battery charging time: About 120 minutes Bluetooth: V3.0 for HID Profile Ver 1.0 Operating temperature: 0 ~ 35 ℃ / 90% RH Storage temperature: -5 to 35 ° C / ~ 90% RH PACKAGE INCLUDES: 1 x Laser Keyboard