Dear Sir/Madam, I'm lizzy, purchasing director in PROMOIII, USA, I'd like to buy mp3&4 players, gps, fm transmitters, Usb flash disks in a big quantity, plz tell me know your best price for each model with detailed description and product photo In additional, plz show me your MOQ, the sample fee if there is a test order. tks very much! Your fast response will be appreciated! Best Regards Lizzy yean PROMOIII