... Features:save electricity,waterproof,dust prevention and portable.Functional characteristics:Ergonomics design,sensitive touch keys,ultra ... ,surface matted processing,comfortable and anti-skidding,with dustproof film,dustproof and waterproof.Applicable system: ... edition:SupportHuman Engineering:SupportColor match:Black/whiteCertificates:CE,FCC,ROHSPacking:color box/white box/polybag+dustproof film ...