You keep tabs on your activity to stay in good health, so why wouldn’t you do the same for your best friend? The Whistle Activity Monitor provides key information about your dog’s health, wellness, and overall activity level. Not only will you get a better idea of how much exercise your pup is getting, Whistle also allows you to stay connected while you’re away by monitoring your dog’s day remotely from your phone. Simply attach the device to your dog’s existing collar and Whistle will send updates via Wi-Fi and Bluetooth to the Whistle app. Pick one up for just $129 and discover a new way to stay close to your best friend.