Get the size before buying: Take a piece of string and wrap it around your finger; After straightening the string, measure it with a ruler and choose according to the specifications Like a dream: Your favorite sleep record is now wrapped around your finger – literally; the smart ring is so comfortable, made of space aluminum, you won’t even know it’s there, weighing about 2.5 grams, while collecting insights about your sleep quality, the sleep algorithm can record sleep frequency, deep sleep, and light sleep Combination of comfort and style: The elegant and lightweight design can be worn directly on the finger, so you can have a good day; from the gym to business meetings, to dinner with friends, it can meet everything – and it is so comfortable to wear, you will forget it’s there P68: The fitness record ring adopts a fully enclosed structure and IP68 waterproof technology. It can be worn for swimming and diving. Supports 1000 meters of waterproofing. Very comfortable to wear, meets daily wear needs Carefully designed: This ring is designed for your daily life – the concave design minimizes scratches and is extremely durable; no need to touch the phone, just shake the ring to take pictures, easily capture every wonderful moment; more importantly, the ring is not afraid of splashing water – it has 10ATM waterproof function Record your condition directly from your finger: Use a smart ring to improve your records and read your body more carefully than ever before; it will filter out your body’s movements for more accurate readings Ready, set, record: Let the fitness ring simplify your exercise; support a variety of regular sports GPS sports records, including running, walking, cycling and other sports, check the APP, intuitively understand the distance, calories, etc., it has never been easier to collect the insights you need Brand: Koepovk