... .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° ... ),FEDEX(7-10days),EMS(10-15days), China Airparcel post (15-30days), by sea or by air (bulk goods).Quality controlwe ...