... .Operation distance: 10m 6.Operating temperature:-10-55°C 7.Workable environment:0-55°C 8.Humidity:10%-70% ... gel pads to prevent scratch and slidingSpecification: NameAluminium alloy bluetooth keyboard for ipad 3 MaterialAluminium alloy Optional colorSliverOperating temperature-10-55° ... ,metal cases,silicon cases,crystal cases,PC cases,TPU cases and other accessories for iPhone 5,iPad,Samsung,Kindle and ...