Complete Guide to the ET 300 Mini Educator E Collar by E Collar Techno Set up an ecollar with @spark_k9! , Our most commonly used ecollar is the Mini Educator from @ecollartechnologies. Youll also see us use a Micro educator and the Boss!, At Spark K9, we use the E Collar Technologies: ET 300 Mini Educator Ray Allen Manufacturing Amazon.com : Educator ET 300 Black Mini E Collar for Dog Training with Remote 1 2 Mile Range, Waterproof, 100 Blunt Stimulation Levels, Tone or Vibration Mode, Night Light Tracking for Small, Medium b Vibe Silicone Prostate Vibrator: Bullet with Prostate Plug Sleeve! HERE'S HOW TO SWITCH FROM TONE TO VIBRATE FUNCTION Most remote training collars have a Pager (Vibrate) and Tone function that you can use. If you have tone or vibration