Laser Virtual Keyboard
Specs
Keyboard light source: Red laser diode
Keyboard layout: Approx. 19mm incline, sized QWERTY layout
Projection size: 240mm(W)*100mm(H)
Projected Keyboard location: Approx. 100mm from keyboard device
Required projection surface: Non-reflective, opaque flat surface
Detection rate: Over 350 characters per minute
Operation surface: Any opaque flat surface
Working temperature: Approx. -10~40º C/90%RH
Storage temperature: Approx. -20~40º C C/~90%RH
Physical Dimension: 38mmx75mmx18mm
Weight: Approx: 47g
Power source: The USB power, Lower 1A @ 5V
Battery capacity: Polymer rechargeable battery, 700mAH(Max)@3.7V
Battery working time: 200 minutes
Baterry Charging time: 120 minutes
USB interface: USB 1.1 and 2.0 USB HID Ver. 1.0
Bluetooth: V2.0(class 2). HID Profile Ver 1.0
Frequency Range: 2402-2480MHz
Channel: 79
Modulation GFSK