⏰ [Multiple countdown options]: You can set the countdown at different time intervals according to your different needs: five minutes, ten minutes, 15 mins, 30 mins, 45 mins, 60 mins, 90 mins, 120 mins. Use throughout the day to ease your child through potty training. 🌟 [Ultra-long battery life]: 20-30 days of normal use when fully charged. The watch has a Type-C charging interface, which can be recharged, and the remaining power of the watch is displayed when charging. Note: The package includes a charging cable, but not a charging plug. 🎵 [Music reminder]: 4 cheerful and interesting nursery rhymes are played in a loop, and a music is automatically switched every time a reminder is issued. The changing LED marquee and brisk nursery rhymes can successfully attract children's attention. Realize the reminder function easily! 🎁 [Baby-friendly]: This toilet training watch is made of anti-allergic silicone strap, which is soft and comfortable. The buckle is made of stainless steel metal, which can well prevent the buckle from rusting caused by children washing hands. It is the best birthday and Christmas gift for mothers and young kids. 🌊 [IP65 waterproof]: You can wear the watch to wash your hands without being afraid of getting wet, but you can’t soak in water for a long time, such as: swimming, bathing, etc. We strive to describe and show our products as truthfully as possible. We also understand that sometimes the items you receive are different from what you expected, and there is no problem at all, so we hope that you can actively send us an email when you have doubts, and we will definitely give you a best answer.