Feature:1. High Performance: Special design and production process, so that the keyboard structure streamlined, without any metal gong nails, reliable and stable performance. Key life up to 15 million times, with a USB and PS / 2 interface conversion.2. Fully Sealed Design: Waterproof, dustproof, oilproof, can be used in any harsh environment and can be cleaned in water.3. Bright Color: Distinctive personality, unique surface treatment, so that the key text never falls off and does not fade.4. Soft And Comfortable: Good resilience, soft and comfortable to the touch, feel friendly, protect your fingers from harm.5. Silent And Portable: Completely silent, not afraid to affect the family sleep. Can be curled and stuffed into the bag at will, easy to carry, save space.Specification:Item Type: Silicone KeyboardMaterial: SiliconeNumber Of Keys: 107 KeysFunction: Waterproof, Dustproof And SilentInterface: 2.4G Interface DeviceAdaptation Temperature Difference: -40-80Keyboard Battery Specifications: 2 x AAA Batteries (Battery Not Included).Package List:1 x Keyboard1 x USB Receiver