Just got this e-mail as a promotion and it looks like a killer deal. From what I can see the lowest I have found these is $69 so $49+ free shipping sounds great.
Tile Mate easily loops onto key chains or attaches to anything you don't want to lose so you can find it fast. Compatible with Apple iOS and Android devices with Bluetooth 4.0. Contains a battery that is designed to last at least one year while giving you maximum performance.
Hope This Helps.