High quality material. It's soft and durable, comfortable Contact. Environmental protection, use of high-grade silicone materials, tasteless and harmless. Fully sealed design, waterproof, dustproof, anti-oil, anti-acid, 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 Contact feel comfortable, warm, finger protection from harm. surface treatment, so that key words will never fall off, do not fade. 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: USB Cable Length: about 145cm/57.09inch Interface: USB2.0 Key number: 103 KEYS : 15 million times LED indicator: Numeric keys, capitalization Right side with numeric keypad Colour: white + pink Material: silicone Size: 403 x 124 x 6.5mm Package Contents: 1 x keypad Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-Minnanxin