Fabric electrode

Traditional metal electrode

Patch electrode

Needle electrode

Conductive medium

Inert metal and chlorine

Inert metal

Patch electrode

Metal

Time-using

Long

Short

Short

Short

Skin allergy

No

Yes

Yes

No

Skin damaging

No

No

No

Yes

Comfort level

High

Normal

Normal

Feel painful

Operability

High

High

High

Low