Feature: 100% brand new and high quality. Quantity: 1 Made of 100%silicone, eco-friendly and ideal for resistance against drink or food spillage at home or at work ; Moisture prevention: waterproof, ideal for use in advance, humid or even low-level water conditions ; Compact size: the ability to roll up the keyboard makes it one of the most space-saving computer peripherals on the market today ; Keyboard: the colorfast printed letters won't come off even after long period of time, no noise while typing ; With excellent softness, harmless to human body; Round shape design, easy to work on; High durability: one million life cycles of keys ; Application: hospitals, offices, factories, labs, libraries, military usage, automotive industry, garages, medical and hospital workshops, mines, classrooms,restaurants, kitchens, kids' rooms, laptops, classrooms, mining and quarrying; Available in any layout/letter/language; Fashionable design with soft and comfortablt feeling; Passed certification of CE, ROHS, FCC; Product size: 300mm (L) X115mm (W) X12mm (H) Specifications: Unlimited Bluetooth 2.0 interface,to work in Windows operating systems: 2000,Server 2003, XP, Vista and MAC; Band: the ISM band of 2.4-2 .4835 GHz; Receiving Sensitivity: -75dBm (standard); RF Output Power: Up to 4dBm; Operating Distance: 10 meters; Operating Temperature: -10 ~ 50 °C; Workable Environment: 0 ~ 55 °C; Humidity: 20% -50%; Built-in Lithium Battery Package Content: 1X Waterproof Wireless Fold Bluetooth Soft Keyboard For Apple For Samsung