Check the listing for details. Wireless Tens Machine Mini Massager Pad Neck Sciatica Arthritis Pain Relief CW. Condition: New. Listed at 14.43 USD. Features:* Multipurpose: Wireless TENS machines works effectively for variety of pain conditions,such as muscle soreness, back pain, neck pain, labour pain, knee pain, joint pain, hip pain, period pain, dysmenorrhea or more.* Compact and Powerful: Mini TENS machine have enough power to thoroughly massage the body, ideal for body relaxation.* 6 Modes with 9 Intensity Levels: Make adjustments easy, chose the most comfortable intensity for muscle pain.* Wireless with Remote Control: Upgraded technology with remote control, tens machine for back pain relief,especial when use on back, don’t worry that you can’t reach buttons any more.* Wide range of applications: It can also be applied to other body parts such as shoulders, waist, feet, calves, arms, .