USBメモリ
WMA/液晶/録音あたりが取捨選択か。
http://www.dospara.co.jp/goods/share.php?contents=xd-3&m=n
http://www.dospara.co.jp/goods/share.php?contents=tw-f128&m=n
http://www.yodobashi.com/enjoy/more/i/oid2_8040987/9578179.html
http://www.yodobashi.com/enjoy/more/i/oid2_8040987/13779175.html
http://www.yodobashi.com/enjoy/more/i/oid2_8040987/18415222.html
http://www.yodobashi.com/enjoy/more/i/oid2_8040987/16088201.html
http://www.yodobashi.com/enjoy/more/i/oid2_8040987/9576952.html