sandisc ultra 2 1gb sdcard usb x3 *

i got these online thinkin they was the correct cards for a boss recorder for music but it turns out i needed compact flash cards not sd cars . its been too long to send them back now and their useless to me .. cheers 07544499561 £15 all 3 http://www.amazon.co.uk/SANDISK-1GB-ULTRA-II-CARD/dp/B0007QU7KU/ref=sr_1_1?ie=UTF8&qid=1346861792&sr=8-1