There are plenty of dog training collars around. This Bluetooth Dog Training Collar is a bit smarter. It is a dog training device that serves as an anti-bark collar, electronic fence, anti-lost, and training collar. You can adjust the distance easily. The training device offers 0-99 levels of intensity. It has 6 kinds of warning tones for anti-lost and electronic fence mode.
The iPets Dog Trainer can be controlled from your smartphone. It can help you train your dog and keep it close. Sets you back under $72.