These prism glasses allow you to see your phone or book while lying down. You can read books or use your smartphone without bending your neck, even when lying down. Convenient for reading or using your smartphone in bed or on the sofa. 【Condition】 ・Used ・No noticeable major scratches or damage ・The lens is also relatively clean ※Please check the condition in the photos. 【Color】 Black 【Uses】 ・Smartphone use while lying down ・Reading while lying down ・Reducing strain on the neck and shoulders Please purchase only if you understand that this is a used item.