To ask for a refund it's essential to get an RMA (Return Authorization). Requests have to be built online and submitted with the buy info. If you come back your product or service with no RMA variety you will not be refunded. Shipping and delivery and managing fees are non-refundable. https://allhealthmarket.com/product/therapy1/digital-tens-unit/tens-unit/20pcs-white-electrode-pads-for-electric-tens-acupuncture-digital-therapy-machine-for-slimming-electric-body-massager-frequency/