1. This kit includes 11 interchangeable heads, ranging from 2.5mm to 6.5mm, accommodating crochet projects and yarn types. It is suitable for pairing with knitting needles, catering to various crafting needs. 2. Tailor your lighting with 2 adjustable brightness settings (dim or bright), making it suitable for different conditions. It allows you to see your stitches and dark yarns clearly, enhancing the overall crafting experience. 3. Enjoy 15 minutes of charging time for 7-9 hours of light, ensuring crochet sessions are long-lasting and uninterrupted. USB charging offers versatility as it can be done through wall adapters, power banks, or computers. 4. The light-up crochet hooks feature a smooth surface that makes it easy to glide through yarn without snagging, allowing you to focus on creating projects effortlessly. 5. The cute carrying case keeps all crochet tools neatly organized and ready for travel. Whether on vacation or visiting friends, you can take this kit along for convenient crafting. 6. Colour: As Shown 7. Material: Metal 8. Package Contents: 1 set * light up crochet hook (Only the above package content, other products are not included.) 9. Note: Light reflection and different displays may cause the color of the item in the picture to differ slightly from the real thing. The measurement allowed error is +/- 1-3cm.