AVCOO 3-in-1 TENS Unit with 32 Modes, Dual Channel EMS Muscle Stimulator with 40 Intensities for Gradual Pain Relief Therapy, Rechargeable Electronic Pulse Massager with 12 Electrode Pads, EVA Case Drug-free to Relax Recover: AVCOO 3-in-1 multifunctional TENS machine combines TENS, EMS, and RELAX 3 therapies in one. The muscle stimulator can help relieve muscle soreness and pain in the elbow, shoulders, back, knees, arms, legs, sciatica, and pelvic zone. If you have chronic or acute pain, just try AVCOO TENS massager for relief. Dual Channel with 32 Modes, 40 Intensities: This EMS muscle stimulator with A/B dual channels features 32 modes and 40 intensity levels. You can operate the electric massager with different intensity settings for each channel and target various massage pain areas without shocking feelings. Powerful Rechargeable Battery: The electric massager is built with a powerful lithium battery to provide 20 hours of use. This TENS device can be connected to the wall charger, power bank, or laptop USB port to charge. The battery level indicator can remind you to charge it on time, no more worries about treatment interruption. Multi-shape Pads Combination: Experience targeted relief with 2 sizes of pads of the stim machine. Small pads target areas such as the neck, knee, and ankle; larger pads focus on the shoulders, waist, and thighs. These upgraded pads are made of latex-free gel for more than 50 times of use without skin irritation and are fully compliant with CE, RoHS, and FDA standards. Complete Kit: This package contains the following: 1 pocket-size TENS machine, 1 EVA travel carry case, 12Pcs electrode pads (4 rectangular pads in 2'' x 4'', 8 square pads in 2'' x 2''), 1 pads holder, 2 leads, 1 USB charging cable, 1 manual. (12 months warranty) Shipping We offer FREE shipping on all orders in US We ship within One-Three business days of payment, usually sooner. We use a selection of shipping services such as UPS, FedEx, USPS etc We offer free shipping to the lower 48 states and ship within 1-3 days of payment, usually sooner. For shipping outside of the continental USA International customers are responsible for all duties and taxes. Return You can return a product for up to 30 days from the date you purchased it. Any product you return must be in the same condition you received it and in the original packaging. Please keep the receipt. Return Policy ? We guarantee against any defective or misrepresented products. The original shipping label must be sent back to us to validate the return. A full refund can only be issued during the first 30 days upon receipt of the product. ? Returns will be voided if the product is mishandled or physical damaged by customer. ? Buyer will be responsible for all kind of return shipping/shipment to the seller for resolving the problem. ? Returns made for all non-defective, undamaged products are subject to a 15% restocking fee. Shipping and handling fees are absolutely non-refundable. If an item is returned to us due to an address issue, we do charge a reshipping fee to reship. If you would like a refund, there will be a 15% restocking fee applied. ? All returned products need to be assigned an RMA # (Return Merchandise Authorization #) prior to return. Please contact us through's messaging system to obtain an RMA# for the return. Any returned product without an RMA # on package will not be accepted or processed? Please contact us before returning. Payment We accept payment by any of the following methods Please pay as soon as possible after winning an sale, as that will allow us to post your item to you sooner! Feedback Customer satisfaction is very important to us. If you have any problem with your order, please contact us and we will do our best to make you satisfied. Feedback ? We appreciate your feedback and our system will automatically leave feedback for you after bid ends. ? Please contact us through message center if you have any problems, we will always try our best for 100% customer satisfaction. Contact Us If you have any queries, please contact us via. We usually respond within 24 hours on weekdays. Please visit our store to check out other items for sale! Thank you for shopping at our store.