... number keyboard 2, Made of silicone 3, CE FCC 4, NK-K18 5, Super mini keyboards 1) MODEL: 18 Keys Waterproof MINI Number Keypad ... special design and production process, so that the keyboard is lean, and use of special high-strength silicone ... times of up to 10,000,000, and has USB and PS / 2 interface converter. 9, adapt to ... cigarettes and so on. 18 keys keyboard, silicone Number Keypad, mini keyboards