Safety Precautions: 1. Avoid exposing this product to direct sunlight for extended periods of time, and keep it away from heat sources. 2. Applying excessive force or impact to this product may result in product damage, and will void warranty. 3. To ensure safety and prevent damage, use only the dedicated mini-USB to USB cable supplied with this product. 4. Never attempt to disassemble or service this product yourself. Doing so can result in electrical shock and will void the warranty. 5. Avoid placing any object within the space between the main unit and the laser projection keyboard layout. 6. Please do not use this product on uneven or irregular surfaces. Place the product on a flat surface. Avoid table or surface that is as transparent or reflective as glass or mirror. Specification: Pattern Projector: Keyboard light source: Red laser diode Keyboard layout: Approx.19mm incline,sized QWERTY layout Projection size: 250mm(W)*110mm(H) Keyboard location: Approx.100mm from keyboard device Required projection surface: Non-reflective,opaque flat surface Electrical Characteristics: Recognition rate: Over 350 characters per minute Operation Surface: Any opaque flat surface Physical Dimension: 38mmx75mmx18mm Net Weight: Approx 61g Power source: The USB power,Lower 1A @ 5V Battery capacity: Polymer rechargeable battery, 1000mAH(MAX)@3.7V Battery working time: 120minutes Battery changing time: 200minutes USB interface: USB1.1 and 2.0.USBHIDVer.1.0 Bluetooth: V3.0(class2),HID Profile Ver.1.0 Frequency Range: 2402-2480MHz Channel: 79 Modulation: GFSK Package Contents: 1x Laser keyboard 1x Mini USB cable 1x User Guide
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