Product DescriptionProduct characteristics 1 external cipher keyboard 2 Pocket smart portable mobile payment without computer network 3 fashion design to provide customized services (with screen printing UV paint Sn DC laser head folding) 4 power saving 5 very durable and sturdy 6 with conventional POS machine safety 7 low cost The 8 adaptation of various intelligent mobile phone and computer Product specifications: 1 track magnetic stripe card reader 2 cipher keyboard 3.TDES/AES encryption output 4.DUKPT/MKSK key management The 5 junction: 3.5mm headphone ports, USB ports 6 power 7 can support 20 payment transactions with the built-in battery 8.P-SAM