Promotion Laser Projection Virtual Keyboard Wireless Virtual Laser Keyboard

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Product Description:

2014 best seller Laser Projection Virtual Keyboard

 

Specifications

Projected Laser Keyboard for Ipad/Iphone and Tablet PC

Physical Dimension:36mmx18mmx74mm
 Weight:Approx. 40g
Keyboard light source:Red laser diode
Keyboard language:English
Keyboard layout:20.8mm sized QWERTY layout
Projection size:Approx. 241mm*101mm
Projected Keyboard location:Approx. 97.9mm from keyboard device
Keystroke Sound:Built in buzzer(Mute on/off the sound)
Visibility:Good contrast up to 1800 lux ambient illumination
Detection rate:Over 400 characters per minute
Detection algorithm:Multiple key stroke support
Effective key stroke: Approx. 2mm
Required projection surface: Non-reflective, opaque flat surface 
Power source: The USB bus power
Lithium-ion battery power
The DC input power
Battery capacity: 700mAH(Max) 3.7V Replaceable soft-pack type
Charger:Rating 800mA @ 5V
Interface:USB 1.1 and 2.0 for PC
Bluetooth(v2.0 class 2,class 3 )HID  for Mobile devices
 Switch mode:Switch the active/Standby mode manually
 Power consumption:max. 2.4W 4.2V
 Use temperature:Approx. 0~50°C
Storage temperature:Approx. -20~50°C
Software compatibility:  All USB HID Compliant OS, All Bluetooth HID Compliant Mobile Device, Windows XP/WINDOWS 7 or Higher, LINUX, Ipad ,Iphone,Android 2.2 or Higher

 

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Q:Compared with laser etching and screen printing
Books, newspapers and magazines were printed before the advent of phototypesetting
Q:How to keeping keyboard clean:
If you do not want to start, spend tens of dollars to buy a new one is a good choice.
Q:Keyboard structure of desktop PC computer
 Some of the keyboard using plastic hook technology to fix the keyboard panel and the base of two parts
Q:Basic operation of fault maintenance
with the best concentration above 97% alcohol cotton (more than 75% medical alcohol cotton can be,
Q:What is a laser etching
so often on the keyboard in the high-grade multicolor overprint design will not be able to do so;
Q:Some maintenance methods for failure
Scrub surface. With a soft cloth dipped in diluted detergent (note that the soft cloth should not be too wet), s
Q:2, USB keyboard can not identify how to do?
For USB keyboard actually very simple to use, if the USB keyboard is not recognized, 
Q:The Principles of screen printing
due to the limitations of its printing methods, still can not print the shape of the keyboard is too complex. Representative: DELL 81XX keyboard
Q:What is the structure of a conventional keyboard
can be divided into the main keyboard area, digital keypad area, F area, function keyboard control keypad for multi-function keyboard adds a shortcut key.
Q:Keyboard selection based on keyboard touch
whether it is loose or shake the keycap and key process is suitable to test these aspects.

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