Small form factor for comfort and mobility Durable design that connects to any apple lightning mobile device Optional clip for the ipad that provides additional support Emv level 1 certified Emv level 2 kernel sdk(optional) Ce, fcc, rohs Microusb for android Android and ios sdk Operates with iso 7816 microprocessor cards Metal case Sctl-sr4 is emv level 1& emv level 2 approved and uses dukpt key management and tdes/aes encryption to ensure smart card transactions are encrypted and transmitted securely to the host device.