Description‎:‎Makes your desktop more flexible ‎- MOTOSPEED K22 numeric keypad will extend your keyboard and improve your efficiency‎.‎This mechanical keypad adopts red switches‎,‎ ensures the fast response‎.‎ With adjustable LED backlight‎,‎ makes it clearer in the dark night‎.‎Features at a glance‎:‎‎- Mechanical keyboard‎,‎ red switches‎,‎ total key course is 4 ‎- 5mm‎,‎ faster response‎- With LED backlight‎,‎ makes the night brighter‎- Concave design‎,‎ sensitive input‎,‎ reduces the typing error‎,‎ gives you a comfortable typing experience‎- Plug and play‎,‎ it will not conflict with the computers own numeric area‎- Compatible with USB 1.1 / 2.0‎,‎ supports Windows 2000 / XP / ME / Vista / 7 / 8 / 10‎,‎ Android‎,‎ Linux‎,‎ iOSIndependent numeric keypadThe number locking function is independent of any other keyboard that are currently connected‎.‎ Compare with the other standard keypad‎,‎ the 22 keys extended some buttons at the top‎,‎ contain ESC‎,‎ Tab‎,‎ back‎,‎ calculatorExpand your desktop22 keys mechanical numeric keypad is suitable for laptop users‎,‎ banking‎,‎ financial securities‎,‎ business workers or the person who uses with 87 / 82 / 68 / 61 keyboards or other keyboards without numeric section‎.‎ Small and light‎,‎ easier for you to carry anywhere Brand‎:‎ Motospeed Material‎:‎ ABS Type‎:‎ Keypad Bluetooth Version‎:‎ Not Supported Cable Length ‎(‎m‎)‎‎:‎ 1.5M Connection‎:‎ Wired Interface‎:‎ USB 2.0 Key Number‎:‎ 22 Operating voltage‎:‎ 4.5 ‎- 5V Operation Current‎:‎ 350mA and less System support‎:‎ Windows 10‎,‎Windows 2000‎,‎Windows 7‎,‎Windows 8‎,‎Windows ME‎,‎Windows Vista‎,‎Windows XP Keyboard Lifespan ‎(‎ times‎)‎‎:‎ 50 million Response Speed‎:‎ 100Hz Anti‎-ghosting Number‎:‎ 8 Keyboard Type‎:‎ Mechanical Keyboard Keyboard Switch Type‎:‎ Red Switch Package size ‎(‎L x W x H‎)‎‎:‎ 15.50 x 10.50 x 4.20 cm / 6.1 x 4.13 x 1.65 inches Package weight‎:‎ 0.29 kg Product size ‎(‎L x W x H‎)‎‎:‎ 14.10 x 8.60 x 3.60 cm / 5.55 x 3.39 x 1.42 inches Product weight‎:‎ 0.2525 kg Package Contents‎:‎ 1 x Keyboard‎,‎ 1 x Multi‎-language Manual ‎(‎Chinese‎,‎ English‎,‎ Japanese‎,‎ Korean‎,‎ German‎,‎ Italian‎,‎ Turkish‎,‎ Polish‎,‎ Spanish‎)‎