... device that have bluetooth or USB adapter.Works with Windows, Mac, Linux, iPad / iPad 3G, iPad 2 / iPad 2 3G, ... waterproof, dustproof, anti-pollution, anti-acid, waterproof for silicone part.Work with PC and commerical mobile, it will be convenient to workSpecifications ... .Transmitting power: Class 25.Operating voltage: 3.0-5.06.Work current: <5.0MA7.Standby current: 2.5MA8.Sleeping current: <200UA9 ...