[buckle / belt] Built-in battery: lithium-ion battery Continuous operation time*1: About 1 week Back-up power running time*2: About 24 hours Charging time: about 1.5 hours Supported OS: iOS 12.0 or higher/Android 6.0 or higher - Water resistance: 5 atmospheres Material Module part: SUS316L A band part: Cowhide (back side synthetic leather) - Bandwidth display part: 20mm - Display part: organic EL display, full-color LED x 1 Sensors: acceleration sensor, electrostatic touch sensor, microphone, illumination sensor, heart rate sensor Electronic money function * 3: Osaifu-Keitai compatible service Transportation IC card: Suica Electronic money (Osaifulink)*3: Rakuten Edy/iD/ANA Skip Service/dpoint/Yodobashi Gold Points/Quicpay Activity Log Functions: Steps/Heart Rate/Stress & Recovery/Sleep/Body Energy/VO2 Max/Calories Notification function: incoming call, email, application notification, schedule, weather, timer, alarm clock Operation functions: Alexa, search smartphone, Qrio, Mamorio *1 When the "Normal" icon is set. The operating time is that the smartphone is always connected, the heart rate sensor is always on, the screen is on for 30 minutes every day, and the brightness is level 5. The operating time varies depending on the number of notifications, display time, usage environment, etc. *2 Even if the power is turned off due to exhaustion of the battery, the IC card function will operate with backup power for a certain period of time depending on the number of uses. 24 hours is the time to assume about 5 times. *3 Osaifulink service is scheduled to end in December 2023. You can continue to use the issued services, but you will not be able to issue new services after the service ends. Click here for details [Head -Jotaro version-] -Operating temperature: 0°C to 40°C Built-in battery: SR927W Continuous operation time: 5 years - Movement number: cal.0S20 - Lug Width: 18mm Water resistance: 5 ATM waterproof Surface treatment: IP (bezel: alumite processing) Windshield Material: Mineral Glass - Accuracy: ±20 seconds/month - Thickness: 12.2mm Case material: SUS316L (frame is aluminum) -Case size: 46.0mm