[2015 Upgrade - Smartphone Controlled] Esky 2-in-1 Waterproof Rechargeable Dog Training System, Auto Anti-bark 99Levels Shock and Vibration Function, Compatible with iPhone, Samsung, iPad with Bluetooth 4.0, Android 4.2 Add more fun to your smart phone by using it to train your dog. Compatible with iPhone, Samsung, iPad 2.0/3.0 and iPod & Samsung devices with Bluetooth 4.0, Android 4.2; Customizable Dog Training Application (Free via Apple or google play appstore) Multiple functions (anti-bark, dog training collar etc) and corrections (user-adjustable warning tones, static shocks, vibrations, etc); Adjustable 99 levels of shock, 99 levels of vibration in dog training function Sensitivity to triggering responses is fully adjustable; Capable of discontinuing intense corrections to protect your dog from over-stimulation Extra receivers can be added for multi-dog training