... which accept ainternet order 3. GPRS communication mode Customized Portable Wireless GPRS SMS Printers Hardware Instruction Pull to open the cover ... , n, o, M, N, O, 67 key:p, q, r, s, P, Q, R, S, 78 key:t, u, v, T, U ... last order automatically.Paper Out!!!Press Print Key Customized Portable Wireless GPRS SMS Printers