Product: Number Pad, ROTTAY Mechanical USB Wired Numeric Keypad with Blue LED Backlit 22 Key Numpad for Laptop Desktop Computer PC Black (Blue switches)
Brand: Rottay
Color: Black
Features:
ROTTAY Mechanical Numeric Keypad 
-- Blue Switches
Professional mechanical Blue switches with tactile bump and audible click
-- Blue LED adjustable backlit
"Esc+Del"=Support three backlit modes(Full-lighting,breathing,lights-off) 
-- PlUG&PLAY
Supports NumLock, ESC, Tab, Delete etc. With shortcut key which can open the computer calculator directly
--Support for Windows 2000, for Windows XP, for Windows VISTA, for Windows 7/8

Specifications: 
Brand name: ROTTAY 
 Material: ABS, aluminium
Working voltage: 5V ±0.25V
Working current: 350mA max
Working temperature: 0+40 ℃
Weight:255g
Size: 140.5x86x36mm
Size(with back stands): 177x110x45mm
Cable length: 1770mm
Color:Black 

Package includes: 
1 x USB Wired Mechanical Numeric Keypad 
1 x Manual
【Mechanical Blue Switches】 Professional blue switches mechanical numpad provides quick triggering, tactile feedback and audible click.
【Plug & Play】 No drivers required number keypad supports Num, ESC, Tab, Delete and a shortcut key which can quickly access to calculator to improve productivity.
【Blue Backlit】 3 backlight modes: full-lighting, breathing, lights-off changed by press ”Esc + Del” makes it easy to find the exactly keys when you are working in dimly lit rooms.
【Extreme Durability】 10 key usb keypad with never faded ABS keycaps ensures 50 million times keystrokes. Gold-plated interface and magnet ring can to a large degree guarantees stable data transmitting.
【Ergonomic Design】 The ergonomic stepped keys number keyboard fit your hands easily and relieve fatigue of your wrist. Works with laptops and desktop computers that have Windows 2000/ XP/ Vista/ 7/ 8/ 10 operating systems.

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