... , CE FCC 4, NK-K18 5, Super mini keyboards 1) MODEL: 18 Keys Waterproof MINI Number Keypad(NK-K18)2) Certificate: CE ... materials, non-toxic, tasteless and harmless. 2, all-sealed design, waterproof, dustproof, anti-oil, anti-acid, can be used in any ... and so on. 18 keys keyboard, silicone Number Keypad, mini keyboards