[3 Color & 6 Brightness Adjustable] Unlike other reading lights for books in bed, our neck light has 3 useful colour temperatures: yellow(3000K), warm white(4000K) and cool white(6000K). Also, it comes with 3 brightness levels for each arm, you can use various light setting combinations based on your needs. For instance, yellow light for general reading; warm white light for studying; cool white light for precise stitching or crocheting.[Rechargeable & Long-Lasting] Comparing with other Micro-USB book lights, our USB-C rechargeable LED reading light is user-friendly and safer for seniors and youth. It is because the USB-C is a one-size-fits-all design, which allows you to plug it into any side you want. In addition, the built-in 1000mAh battery provides up to 80 hrs working time (depending on your light settings). It keeps you away from everyday charging with non-diminishing light.[Eye Caring & Ergonomic Design] There is no flickering or dazzling light in our book reading light, allowing you to stay away from eye strain & eye fatigue, which makes a perfect night reading light. Plus, the book lights for reading at night come with an ergonomic shape, hanging on your neck; the arms are supple and adjustable so that you can adjust to the most comfortable angle ideal lighting aid for hands-free activities.[Partner Friendly] This book light has a special narrow beam angle (90) design, which is dim enough not to disturb people nearby. Meanwhile, it can light up the specific area you want to illuminate and emit abundant light without producing lighting disturbance to your partner. Perfect bed reading light for bedtime readers.[Product Guarantee] 1. Original patent applied. 2. FCC, CE, RoHS, PSE approved. 3. Worry-free 18-month warranty and friendly customer service. 4. Product Box Contains: 1*Glocusent LED Neck Light 1*USB Type-C Cable (24") 1*User Manual 1*Bookmark 5. NOTE: Use the included Type-C cable, your original cable, or a third-party certified one; AC adapter is not included.Product Glocusent Rechargeable Neck LightYour Perfect Reading CompanionWe designed this neck light with adjustable gooseneck & ergonomic design to fit your neck perfectly. It& 39;s your ideal choice for hands-free activities, such as reading, knitting, repairing, etc. Its narrow beam angle allows you to have private reading bubble and not to disturb your partner in bed.