What is the fine-grained topic of the following text: This handmade, one of a kind, fused dichroic glass energy pendant has been programmed with thousands of healing frequencies from 4 different frequency generators to help protect you from EMF (Electro Magnetic) pollution from cell and cordless phones, computers, hair dryers, etc. Only return the topic.
Handmade Fused Dichroic Glass Energy Pendant for EMF Protection