The Yo Lamp, available in both large and small versions, features a built-in rechargeable LED light source with three adjustable brightness levels: 100%, 40%, and 10%. The large version offers battery life of 7, 18, and 53 hours for each intensity, while the small version lasts 10, 24, and 90 hours, respectively. Both sizes include a 1-metre Type C USB magnetic charging cable for convenient recharging. The lamp is dimmable to suit various lighting needs.