Functions: Suitable for various electronic physiotherapy machines. Help to improve blood circulation, promote metabolism and eliminate fatigue. Metal Point at the top of the button,which is to connect the therapy machine via an electrode wire.Super adhesive, can be long-term repeated use. It can be used on your full body,safe and comfortable. Features: Super adhesive,conductive, re-usable, long Life. Lower impedance, more uniform current distribution. No hot spots, more stimulation comfort. Specially designed holes, on each pad, to release the generated heat and give more comfort and less irritation. Highly strong adhesiveness.This electrode pads are made to the highest standards and have superior quality compared to similar products on the market. They can be reused many times over without losing their adhesiveness or conductivity. Non-woven Fabric electrode Pads,unlike others,not PET Note: Everyone's skin is different, the usage times of the patches will also different. The life of the patch is mainly depending on the stand of storage security, if use in the dry environment, it's usage times will be relatively reduce. Specification: Color: White 2pcs a bag. Notes: Wipe the skin before using, shall not be used for damaged skin. Cleanse your skin before using electrode pads for better results. Never use this product if you have a pacemaker or any digital implant. Check with your doctor first if you have any Epilepsy or Heart problems. Normally, it could use 10 to 20 times, and we suggest frequently replace new patches to use to achieve better effect. Package includes: 20pcs/10 pairselectrode Pads