Lepin via Amazon offers the offers the Lepin 16GB Secure Key Encrypted USB Flash Drive for $35.99. Coupon code "XQIM3M5H" cuts the price to $17.99. With free shipping, that's $18 off list and the lowest price we could find. It features military grade full-disk 256-bit AES XTS hardware encryption, and 6 to 15 digit pin options. Deal ends July 15.