Levoit UNCOMPROMISED QUALITY: Hand selected from the Himalayan Mountains, only salt crystals with the best clarity, shape, and color purity are hand carved ensuring natural rock of highest quality. Comes with small salts to make the lamp looks more beautiful.USB or AC Adapter: The Cora Salt Lamp is USB-powered which means you can place it in multiple places like office desk, living room, bedroom, kitchenHOLISTIC HEALTH: The Cora Salt Lamp comes with 2.5watt incandescent bulb not LED bulb which means it emits negative ions that fight against electromagnetic radiation and fights fatigue and sluggishness. The naturally ionized air also helps you sleep better at night, allowing you to wake refreshed, breathe smoother, and soothe allergies.TOUCH CONTROLLED DIMMABLE LIGHTING: Our lamp is safer with touch control options to suit your mood and needs. Just press and hold the touch control to adjust the lamp's brightness. UL Certified;. 1 Year Limited Warranty: FCC, CE, RoHS Approved. Extra 2 Replacement Bulb included.PACKAGING Design & Perfect Gifts: Salt Lamps are the perfect gift for anyone who works at a desk job! The device is visually intriguing, completely silent, and gives off no smells or fragrance. The perfect gift for college students, loved ones, office mates, friends, and parents to help promote a stress-reducing environment and to aid those with breathing difficulties, asthma, and allergies. Great addition for meditation and yoga spaces.