Features:High quality material. It's soft and durable, comfortable for touch.Environmental for protection, use of imported highgrade medical silicone materials, nontoxic, tasteless and harmless.Fully sealed design, waterproof, dustproof, antioil, antiacid, can be used in any harsh environment, and can disinfect and clean water.Can be curled into the bag, easy to carry, to save space.The mute, hit mute, can be completely silent, not afraid to sleep affect the family.Good elasticity, soft for touch feel comfortable, warm, finger for protection from harm.The unique surface treatment, so that for key words will never fall off, do not fade.Special design and production process, so that the keyboard is lean, without any metal gong nails, reliable performance and stability.USB and PS / 2 interface converter.Specifications:Size: 430x125mm/16.93x4.92inchUSB Cable Length: about 145cm/57.09inchColor: BlackMaterial: SiliconeInterface: USB2.0for Key number: 103 KEYSfor Key life: 15 million timesOperating temperature: 3080 /22176LED indicator: Numeric keys, capitalizationRight side with numeric keypadPackage included:1 x 103 keys waterproof keypad with a USB connector