WHATOOK 12" x 24" Heating Pad, King-Size Heating Pads with 9 Heat Settings & 4 Time Settings, Electric Heat Pad for Back Neck Shoulder Relief Fatigue & Cramps, Machine Washable, Gray please close the battery lid

please close the battery lid completely to make the ball ight full waterproof) Silicone Button：We updated to a soft silicone button

adjust brightness & speed

slight chromatic aberration may occur due to lighting or display

It solves the problem of ponding around the faucet in the kitchen and bathroom

it ensures a full charge even on cloudy days and keeps it fully powered to last all night

WHATOOK 12" x 24" Heating Pad, King-Size Heating Pads with 9 Heat Settings & 4 Time Settings, Electric Heat Pad for Back Neck Shoulder Relief Fatigue & Cramps, Machine Washable, Gray please close the battery lidMain Features: Quick Heat & Sore Relief Heating quickly within 30 seconds, the heat is quickly and evenly delivered to all parts of the body, providing continuous warmth and achieving a 2X speed heating effect! This electric heating pad helps improve circulation and effectively relieves discomfort in the back, waist, period cramps, neck, shoulders, arms, legs, and other body parts. Large Size & Long Power Cord The generous 12 x 24 inch dimensions of