Check the listing for details. 20pcs Replacement Patches for TENS Unit Electrode Electrodes Pads Electrotherapy. Color: White, Condition: New. Listed at 9.99 USD. Introduction:Those tens replacement pads are companion for most TENS units or Electrical Muscle Stimulation Machines that use the industry standard 3.5mm snap on connector. The pads can be used to target different massage locations on the body for a better massage experience. In addition, the elegant curved design provides a better fit for your skin. Perfect for professional and home Use. Features:User-friendly design & differents sizesRecommended locations to apply PadsUp to 30 times resuablitity by using in the right wayDiameter of the snap hole for those electrode pads is about 3.5MM Specification:Type: Electrode PadsSzie: S (1.2''×1.6''), M (1.6''×1.8'') L (2''×4'') Massage Functions: Pain Relief,PercussionBody Area: Back,Full Body,Legs,NeckQuantity: 20Pcs Package Includes:20 x Electrode Pads PaymentWe accept a lot of payment methods. 1. Visa/Mastercard/Discover/American Express/PayPal/PayPal Credit; 2. Apple Pay (through the eBay app and mobile website only) 3. Google Pay (through the eBay app, mobile website and desktop) Shipping 1. This item will send from USA warehouse. 2. All items will be shipped to buyer's eBay address. Return1. We accept return within 30 days after you order.2. Our items come with 180 days warranty.3. If you have any problem about the product, feel free to contact us.