Smoko Myo Heart Pillow INTERNAL HEATING  Built-in heating pad for cozy warmth. WIRELESS  Heating pad is cordless for a hassle-free experience. RECHARGEABLE  Conveniently charge via any Mac, PC or other USB port. BATTERIES INCLUDED  Get cozy right away with included battery and charging cable. LASTING COMFORT  Stays warm for up to 4 hours on a full charge.