2)Respiration rate measurement function

Color: random

Comfortable and lightweight design

Blood Sugar or Blood Glucose Testing

Greatly raise the sufferer\'s sleep\'s quality (The efficiency is above 90%)

Outdooor Silicone Wristband, Hand Sanitizer Disinfectant Bracelet Kids' Accessories 2)Respiration rate measurement functionOverview: Good air tightness, unique valve leak proof design, safe to use. Food grade silicone material, super elastic, extremely light, easy to carry when traveling. Waterproof silicone bracelet, not afraid of water or sun. Carry disinfectant, hand sanitizer, and new safety products for 2020. How to use 1. Fill the Bottle with the liquid you want 2. Insert the bottle nozzle cap into the bracelet's small hole, push it in firmly, and press the bottle