This projection keyboard will work via Bluetooth HID.
Connection to main devices, like Tablet PC, Smartphone, Desktop PC and Video game.
As a new input device, using the built-in infrared laser transmitter to project the standard keyboard on the working surface,
you can locate the click position and input the information by the method of optical identification.
Without physical keyboard, small size, easy to carry, this projection keyboard can adapt to most of the working environment.
Light Source:Red Laser Diode
Keyboard Layout:Approx. 19mm Pitch, QWERTY Layout
Keyboard Size:Approx. Width : 240mm, Height: 100mm
Keyboard Location:Approx. 80mm from the bottom of device
Project Surface:Non-reflective, opaque flat surface
Recognition Rate:Approx. up to 350 characters per minute
Operating Surface :Any firm flat surface
External Power Supply :USB Power / less than 5V 500mA
Battery & Capacity:Lithium-ion Polymer Battery,:600mAh(MA X) @ 3.7V
Battery Operating Time:Approx. 120min
Battery Charging Time:Approx. 120min
Bluetooth:V3.0, HID Profile Ver 1.0
Operating Temperature :0 ~ 35Deg.C / 90%RH
Storage Temperature:-5 ~ 35Deg.C/ ~90%RH
Size: approx. 7.6*3.8*2cm
Laser output power: