Protective shell is dust and waterproof, and can provide comprehensive protection for the keyboard. Flexible USB 2.0 keyboard is practical, durable and comfortable.Unlike ordinary keyboards, this silicone keyboard can be cleaned with soap and water. You can wipe off spilled liquids such as water, coffee or tea with a damp cloth.Dustproof, waterproof and soft material allows you to type quietly. Unique printing technology ensures that the letters will not wear out.The length of this product is 35cm, the width is 13cm and the height is 6cm. Cable length is 140cm.Featuring plug and play, no driver required, it is compatible with all computers, laptops, and notebooks (for Windows XP, 2000, Vista, for Mac OS). At the same time, it supports the OTG function for Android phones. Ultra-thin, lightweight keyboard is easy to store and very suitable for travel, school or any work environment.Item Name: KeyboardMaterial:SiliconeCompatible Models: for Laptop, Desktop ComputerPower Supply: USB InterfaceNumber of Keys: 85USB2.0 Line Length: 140cmSize Details:Keyboard Size: 35cm x 13cm x 6cm/13.78" x 5.12" x 2.36" (Approx.)Cable Length: 140cm/55.12" (Approx.)Notes: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.1) Since the keyboard is made of silicone, the silicone case and the circuit inside the keyboard may partially stick together when placed in transit for a long time, which may affect the sensitivity of some keys. If you find that some keys are not very sensitive or not working properly, please pick up the keyboard, hold the indicator board, and then shake the entire keyboard for a while (place it vertically). This is to separate the silicone case from the circuit inside the device and help restore its elasticity.2) In order to protect the keyboard and prolong its service life, please use the product correctly and follow the following tips:The product should not be in contact with oil or impregnating agents (such as acetone).Cannot be pressed when rolled up. Do not place heavy objects for a long time.Do not pull or bend the keyboard, we recommend that you roll up the keyboard instead of fold it when necessary.Package Includes:1 X Keyboard