Features: Temperature monitoring, a more accurate temperature sensor, your is the key to understanding your body signals, and it is particularly important to keep track of changes. A variety of exercise modes, support a variety of exercise modes, including walking, running, cycling, etc., exercise, check the APP exercise data, such as exercise time, exercise distance, calories consumed, etc., to better understand the factors of exercise ability. IP68 technology, easily cope with various needs, fully enclosed structure, IP68 technology, easily cope with daily, support wearing swimming, washing, bathing, rain, etc., to meet your various needs. Ultra-low power Bluetooth chip, dare to challenge the size limit energy, we use ultra-low power main control chip and 18mAh capacity polymer lithium battery, power consumption management and low power mode selection, greatly improve the battery life performance of . Four fashionable color choices, beautiful silver,without losing vitality; Rose gold, classic yet ; Yachuan green, yet elegant; Nan Nuo purple, fashion without losing . Soft outside, soft inside, silky skin, thanks to the low thermal conductivity of nanocrystalline, and tens of thousands of times of CNC polishing, so that it has a warm jade hand; At the same time, the exquisite and compact body weighs 6.8g, so that you can truly experience wearing without feeling! Product Description: Ring weight: about 6.8g Battery capacity: 18mAh Product size: diameter 18mm Battery life: 3-5 days of normal use Charging time: about 30-60 minutes Sensor: acceleration sensor, temperature sensor, class: IP68 System support: IOS11.0 and above or Android5.0 and above Bluetooth version: BLE5.1 What’s included: 1* Smart ring 1* Charging cable 1* Manual Features: Adjustable Coarseness Brand: Avdolw Assembled Product Weight: 6.8 g Color: Gold Manufacturer Part Number: Avdolw Kitchen Manufacturer: Avdolw Home