topfeel
topfeel USB Heating Pad with Auto Shut Off, 3 Heating Levels, 5V Heating Pads for Back, Neck, Cramps Pain Relief (23.6” x 11.8”)
MEKK
MEKK Heated Back Massager Belt Inflatable for Instant Back Pain Relief Lumbar Decompression Belt with Heating & Vibration, Operated by Rechargeable Battery, Fits 29-49 Waist
CUEHEAT
Cordless Heating pad for Back Pain Relief - Heating Pads for Cramps - 7.4V Electric Rechargeable Battery Heating Pad,Cold Weather Thermal Hand Warmers Hunting Skiing Camping,Therapy Cramps Women&Men
comfheat
Comfheat USB Heating Pad for Car, 5V Portable Heated Travel Blanket Pads Heat Settings & Auto Shut Off, Moist & Dry Hot Therapy for Pain Relief Abdomen Cramps (16"x 12") (No Battery) - Purple