This heat pad provides warmth and comfort to those aching body parts such as neck, back, calf muscles and lower back. It provides a relaxing heat directly to the uncomfortable area.This area pad combines the advantage of innovative heat with luxury miniature fleece to spa-style relief any day of the week.Characteristics: Heat increases blood flow Heat increases blood flow to painful areas of your body, causing muscle and to happen faster.You can to let the pad run continuously or use a timer to adjust your heat setting for up to 2 hours.Unique meter shows you your pad as it heats up.It's natural to feel stiff in the neck and shoulders after a long, stressful day.If left untreated, this tension can lead to a -up of tension, muscle and headaches.Heat can increase blood flow and tighten sore muscles.You'll like soft fabrics that are easy to reach and use digital controls.Usage:1. Take out the USB plug, plug into the 2A of the charging bank, open the charging bank, and turn on the online temperature control switch to heat up2. The switch can not be washed, pulled, disassembled, do not use power heating for a long timeSpecifications:Power supply: 5 v2aPower: 8.5 WTemperature: about 45-50 degrees,size: 30 x 25cmMaterial: Composite clothcolour: blackPackage Contents:1 x Pet Heating PadOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.