New one-hand wired digital keypad $ 5.22 Keyboard size: 140 * 85 * 10mm, Number of keys: 18 keys Key type: chocolate keycap Key life: about 5 million times Wire specifications: 1.35 meters Technical specifications: Motivational IC83030 Connection type: USB cable System support: Windows 7.8, 10, XP, Vista, etc. or higher Packing: Neutral English packaging