Feature:1. Make calls directly on your wrist, eliminating the need to grab your phone. Benefit from improved connectivity with single-chip Bluetooth offering fast, stable connections and low battery consumption.2. Watch 4 Liteu0027s health monitoring functions including Daily activities, Heart rate, Blood oxygen, Respiratory rate, Breath exercise, Pressure,and sleep status self-monitoring operates 24 hours a day, generating data feedback timely.3. Download the oraimo Health app for a better experience in managing your health. It can be used on mobile phones,4. making it more convenient to receive data generated by Watch 4 Lite monitoring.Specification:Features:Make calls directly on your wrist, eliminating the need to grab your phone. Benefit from improved connectivity with single-chip Bluetooth offering fast, stable connections and low battery consumption.Watch 4 Lite's health monitoring functions including Daily activities, Heart rate, Blood oxygen, Respiratory rate, Breath exercise, Pressure,and sleep status self-monitoring operates 24 hours a day, generating data feedback timely.Download the oraimo Health app for a better experience in managing your health. It can be used on mobile phones,making it more convenient to receive data generated by Watch 4 Lite monitoring.Rest assured, water splash and sudden rain won't harm your watch, thanks to its IP68 rating protection against splash, water, and dust. *Please do not wear this watch when diving.You can charge the watch while showering or tooth-brushing in the morning; its lithium polymer battery lasts up to 7 days after a 2.5-hour full charge. No need for charging on weeklong travels or business trips.Specifications:Display Screen: 1.83' TFT, 240*284BT Version: V5.0Battery Capacity: 300mAhBattery Type: Lithium-ion Polymer BatteryCharging Time: 3 hoursNormal Using Time: 7 days * oraimo Lab test resultStandby Time: More than 20 days * oraimo Lab test resultWatch Size: 254.5*38.8*12.75mm (without strap)Weight: 158g (with strap)Material: ABS/PC/TPUWaterproof: IP68Model: OSW-803NPackage List:1 * WatchPackage List:1 * Watch Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-YJL official store