Retro Smart Ring 5 ATM wasserdicht Schlafüberwachung Fitness-Schrittzähler Mehrere Sportmodi Geringer Stromverbrauch Smartring

Functions 1.5 ATM waterproof technology:Fully enclosed structure,daily waterproofing is easy to handle, support swimming, washing hands, bathing, showering, etc., to meet your various waterproof needs. 2.Ultra-long battery life:The single battery life is about 3~4 days 3.Quality Choice Powerful Attack:A new form of smart wearables adds beauty to life,durable stainless steel shell, quality touch, from the outside to the inside 4.The app offers dozens of sports, including GPS sports, indoor, outdoor, etc.Wearing a ring makes it easy to exercise,You can view and record your exercise data. 5.This intelligent ring offers various functions, monitoring your heart rate, blood oxygen, sleep patterns, and step count. Specification Size: 8(18.1 mm) # 9(18.9 mm) # 10(19.8 mm) # 11(20.6 mm) # 12(21.4 mm) # 13(22.2 mm) Color:Black Charging: charging cable Notice 1. After receiving the ring, please charge it first, because after a long time of logistics, the watch will be low on power. 2.The data of the health test function is for reference only, and the specific health data should be based on medical data. 3.The quick charger is not suitable for this product，don't charge with a high-power charger. 4.Before using, pleases can the QR code on the manual to download the APP and use the APP to connect with the ring.