... mm 14.Weight: 295±30g 15.Enclosure made of aluminum alloys is used to make the machine more attractive ... pads to prevent scratch and slidingSpecification: NameAluminium alloy bluetooth keyboard for ipad 3 MaterialAluminium alloy Optional colorSliverOperating temperature-10-55°CFrequencyBT2 ... ,silicon cases,crystal cases,PC cases,TPU cases and other accessories for iPhone 5,iPad,Samsung,Kindle and so on ...