Feature: 1. SMART HEALTH RING: This smart ring can record calorie consumption, workout time and standing time. It also has 3 modes, walking, running and cycling, to help you develop good exercise habits. 2. MAGNETIC CHARGING: The ring has a built in strong magnetic coil, so it can be charged when sucked on. It can be fully charged in about 1 hour, and APP can check the power in real time. Charging for 30 minutes can realize 7 days standby time. 3. IP68 WATER RESISTANT: It has good water resistant performance, so you can rest assured that you can wear it for showering, swimming, hand washing and so on, and easily cope with a variety of scenarios. 4. STYLISH, LIGHTWEIGHT: This smart ring is a trend on your fingertips and is designed in a classic style that is comfortable to wear, lightweight and senseless, so you won't feel pressurized when wearing it for a long time. 5. FINDING DEVICE: Simply connect the APP, you can find the ring through your phone in the connected state. The ring is designed with an LED light that will continuously flash as a reminder. Specification: Item Type: Smart Ring Material: Stainless Steel Charging Method: Magnetic Charging APP: For Fitness Max Bluetooth Distance: 3-5m / 9.8-16.4ft Ring Battery Capacity: 15mAh, Li Battery (Built in). Package List: 1 x Smart Ring1 x Instruction Manual1 x Charging Cable