Enjoy the soft comfort of memory foam embedded with amethyst, jade, tourmaline, and obsidian. Support your head and neck as you sleep, or use with any of our heating mats. The design was perfected by sleep experts to bring you optimal support for your body’s vital spots as you lie in bed.<br> <br> <br> <b>Specifications</b><br> Approx. Size: 18″ x 10″ x 4″ (45 cm x 25 cm x 10 cm)<br> Approx. Weight: 5 lbs (2.5 kg); comes with a carrying case<br> Additional Features: Neck support<br> LED display controller: Set temperature up to 70 °C (160 °F), 12-hour auto-shutoff timer to allow all-night sleep setting<br> EMF Protection: Advanced filtration system and extra EMF-blocking layers <br> Materials: memory foam material<br> Voltage: USA power 110-120V (available in 220-240V upon request), 25W<br>Risk Free - 30 days returns of receipt of shipment<br>