Specifications: 1) Dual SIM card for all GSM mobile phones 2) Avoids charge for roaming and long- distance calls 3) Message receipt available when powered off 4) Ultra slim design with soft, double IC import FPC board 5) Dual SIM card selects one card to work automatically on power on, reset the phone to access the other 6) Set call divert on mobile to use both cards synchronously on one mobile phone 7) Set meet communication function for multi-communication 8) Six-month warranty 9) Compatible phones: a) Motorola: A6188 b) SonyEricsson: T66 c) Sony: Z18, J16 d) Samsung: A288, A200, T108, R210, N500, R208 e) Panasonic: GD90 f) Siemens: C35, S35, A36, S1128 g) Nokia: 5130, 5110, 6110, 7110 Inner packing: Dimensions: 3.5 x 7.3 x 0.13cm N.W.: 1.52g Outer packing: Dimensions: 5.9 x 13.3cm G.W.: 4.23g