Fast Heating & Pain Relief: iDOO heating pad for neck and shoulder with micro-glass design,The glass beads are evenly dispersed evenly distributed around the edges to fit your neck and shoulders better; Can quickly heat up within 30 seconds, easily relieve muscle aches, stiffness, tightness, muscle spasms, cramps, and chronic pain.6 Heat Settings & 3 Timing Settings: This neck heating pad for neck pain has 6 heat settings (109°F ~ 149°F) and 3 timer settings (60/90/120/minutes) with auto-off function. You can adjust the shoulder heating pad to your preferred temperature to help you relieve fatigue and pain better.ETL Safety Certified & FSA/HSA Eligible: Our heating pad with auto shut off large uses PTC/NTC heating wire for the ideal relaxation temperature, complete with overheating protection,ensuring your safe use.22"x24" Extra-large size heating pads : This large electric heating pad xxl with a curved high collar, suitable for men and women, it offers full and snug coverage to neck, shoulder, and upper back, which helps to soothe aching muscles.Ideal Gift for Family and Friends: iDOO neck and back heating pad is a Valentines Day gifts for women, men, gifts for teen girls or as a stocking stuffers for teens or adults, is a teen girl gifts trendy stuff. Send them a wearable heating pad as a birthday gift, Valentine's Day gift, Christmas gift, Father's Day, Mother's Day.