3-level brightness touch sensor switch design with Powerful LED Light: single touch gives lowest brightness, double touches medium and three touches the strongest. Great Design use in bedroom, schoolroom, car, baby room, etc.Brightness:3 levels dimmerUp to 4 hours of wireless play on a single charge3-level brightness touch sensor switch design with Powerful LED Light: single touch gives lowest brightness, double touches medium and three touches the strongest. Great Design use in bedroom, schoolroom, car, baby room, etc.Brightness:3 levels dimmerUp to 4 hours of wireless play on a single chargeUp to 4 hours of wireless play on a single charge