Key features: 1) Compact and lightweight 2) Easy to operate and very cost effective 3) Backs-up and restores phonebook data from SIM card 4) Memory: 16KB (500 phone records storage) 5) Supports data exchange between different SIM cards 6) LCD screen for viewing menu and backup progress 7) Device independent' no PC or PDA required 8) Can copy 2 SIM cards separately; total 2 x 250 = 500 recordsOuter packing: 200pcs/ctn