1) The ring allows to hang the key to a key ring is large enough
2) This is a "monoblock" key, so no cap that is lost in nature, which I personally find frustrating
And these two characteristics, even if they seem trivial, are far from being present for other brands and models.
See as well:
Same in 16GB Lexar - JumpDrive Twist Turn - USB - 16GB - Silver
Ditto 32GB Lexar - JumpDrive Twist Turn - USB - 32GB - Black
Ditto 64GB Lexar - TwistTurn JumpDrive - USB Flash 64GB (UK Import)