⭐︎ Comes with two straps, allowing you to use one watch for different occasions, such as work and exercise. ⭐︎ After connecting via Bluetooth, you can answer and make calls. You can make calls using the watch's built-in microphone, so you don't need to operate your smartphone ^^ 【Important Notes】 ・ There may be some wrinkles on the corners of the box. ・ We are not currently offering discounts. ・ The items sent will be exactly as shown in the photos. 【Accessories】 ・ Two straps ・ Charging cord ・ Instruction manual (Japanese pages included) 【Watch Specifications】 ・ Display size: 1.39 inches ・ Sensors: Wrist heart rate monitor, Pulse Ox blood oxygen ・ Battery capacity: 400mAh battery ・ Battery life: 7-10 days in typical use mode 　　　　　　　　　60 days standby time ・ Charging time: Approximately 2.5 hours 【Functions】 Voice calls, dial pad, recent calls, contacts, call rejection, time/date, calculator, stopwatch, timer, alarm, health monitoring, wrist-based heart rate, daily resting heart rate, abnormal heart rate alerts, SpO2 (blood oxygen) level measurement, blood pressure monitoring, breathing training, sleep score and insights, calorie consumption tracking, smart notifications (phone, text, smartphone app notifications), weather sync, smartphone music and camera control, find phone, do not disturb mode, sedentary alert, games, activity tracking, activity records, step counter, standing, move bar, auto goals, calorie real-time pace and distance 【Smartphone Compatibility】 Android 4.4 or iOS 8.0 or later 【Military Standard】 Excellent dustproof, waterproof, and shockproof performance