TeRrote Numeric Keypad, 2.4GHz Portable Number Pad Wireless Number Pad with USB Receiver, 27-Key Number Pad for Laptop Shortcut Keypad Data Entry for Laptop Desktop Computer PC (22-Keys), Black

Specifications Colour: Black Product material: ABS plastic material Number of keyboards:22 keys Support wireless/Bluetooth:2.4G wireless Keyboard life:3 million times Responding speed:5 milliseconds Transmission distance:10 meters Working current/voltage:0.25 mA 3V Usage time:80 hours Weight: 87 g / 0.2 LB Item Dimensions: L x W x H : 12.5 x 9.5 x 2.5 CM / 5.31 x 3.74 x 0.99 inches Package Contents: 1 x 22-key numeric keypad 1 x 2.4G wireless receiver

【22-KEYS NUMBER KEYPAD】: Numeric Keyboard supports NumLock, ESC, Tab, Delete etc. With shortcut key which can open the computer calculator directly. The Muli-Function 22 Keys Wireless external number keypad for laptop is more unique than most keyboards.
【2.4GHz WIRELESS CONNECTION】 Using advanced 2.4GHz wireless technology, plug and play, no additional drivers required. Signal transmission stability, working range up to 33ft. (The USB Receiver is inserted in the battery compartment of the keyboard.)
【ERGONOMIC DESIGN】 Integrated ergonomic tilt provides comfort which helps reduce strain; The great spring action and comfortable key sizes respond quickly, improving your work efficiency, great for those working on spreadsheets, accounting files or financial applications.
【ANTI-SLIP AND PORTABLE DESIGN】 There is four non-slip mat on the back of the number keyboard, which prevents it from sliding around your desk when in use . This sturdy number pad is easy to take with you, so you can work confidently and quickly-wherever and where.
【 MULTI-COMPATIBILITY】: Wireless numeric pad works xutengy with PC, laptop and desktop computers that have Windows 2000 / XP / Vista / 7 / 8 / 10 systems.