<p>3 Brightness Levels & 3 Colors: The neck reading light has 3 useful color temperatures: yellow, warm white, and cool white. It also offers 3 brightness levels for each arm, you can use different combinations of book light settings according to your needs. Such as yellow light for reading; warm white light for studying; cool white light for precise sewing or crocheting. </p><p>Eye-friendly & Ergonomic Design: Our reading light does not flicker or glare, so you won't overstrain your eyes and you won't have to strain, making it the perfect nighttime reading light. In addition, the neck light is ergonomically designed to hang around your neck; the arms are soft and adjustable, allowing you to adjust the most comfortable angle - an ideal lighting aid for hands-free activities. </p><p>Rechargeable & Durable: Compared to other micro USB book lights, our rechargeable USB-C LED reading light is user-friendly and safer for seniors and teenagers. This is because the USB-C is a "one-size-fits-all" design, allowing you to plug it into whichever side you want. </p><p>Companion-friendly: This reading light has a particularly narrow beam angle (90°), so it won't disturb people nearby. At the same time, it can illuminate the area you want to light up. You can read comfortably in bed without disturbing your partner. </p>