Product Review

Easy to use
Just plug it in and it start working,no battery needed,no drive needed,stable and reliable.
Portable keyboard
Compact keypad in a laptop bag or briefcase to efficiently enter data wherever you go.
Ergonomic design
Perfect angle for typing,relax your hand,you won't feel tired even after long time typing working.
Special shortcut key
You can use "000" button to input huge numbers to finish your work much more quickly
Waterproof
Don't worry that the spilled coffee or tea from your bottle may damage the keypad. Enjoy the drinks during working.

Specifications
Dimension: 5.5 x 3.3 x 1.2 inches
Weight: 3.7 oz
USB cord length:5 feet
Color: Black
Material: ABS Plastic
Connection type: USB
Keyboard character: Laser character
Battery: 1*AAA battery 1.5V(Not Included)
Compatibility: Support PC with USB port, Windows 10 8 / 7 / Vista / XP, Mac OS