Review on 🔌 Electric Pulse Neck Massager with Heat: Intelligent Neckology Massager for Effective Pain Relief - 3 Modes, 15 Levels, Cordless Deep Tissue Trigger Point Massage - Portable Neck Relax Massager for Women and Men by Jim Larson

You can't wear a top that goes down to your neck. I tried this in a t-shirt and my t-shirt was preventing the device from connecting to my neck. Also, make sure you use a towel to wet your neck to ensure good contact. If you've ever used a ten device, you know that if you touch any part of your body you can get a small electric shock. I made the mistake of not reading the instructions and touching the large metal parts that were set to high power (again for not reading the instructions) and my finger got a nice little bump. It only works for 15 minutes at a time and then you have to charge it for your safety.