A. 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 and caters to various crafting needs. B. 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 your overall crafting experience. C. Enjoy just 15 minutes of charging time for 7-9 hours of light, ensuring your crochet sessions are long-lasting and uninterrupted. USB charging offers versatility as it can be done through wall adapters, power banks, or computers. D. 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 beautiful projects effortlessly. E. The cute carrying case keeps all your crochet tools neatly organized and ready for travel. Whether you're on vacation or visiting friends, you can take this kit along for convenient crafting. F. Colour: As Shown G. Material: Metal H. Package Contents: 1 set * light up crochet hook (Only the above package content, other products are not included.) I. Note: Light reflection and different displays may cause the color of the item in the picture to be slightly different from the real thing. The measurement allowed error is +/- 1-3cm.