YUEHISY Smart Bracelet - Heart Rate Sleep Monitoring

Long Battery Life: Boasting a 20 day ultra long battery life, the wristband uses low power chip technology and an optimized power management system. This ensures continuous health tracking, vibration alerts, and daily functions operate smoothly. The screen stays off by default to save power, lighting up only when you raise your wrist. App Compatibility and Data Security: Support for iOS and support for Android systems, capable of syncing real time and offline recorded data. It supports secure data storage and export, effectively guarding information security. Spec: Item Type: Smart Bracelet Material: Nylon, Aluminum Alloy Battery: 145mAh LiPo Battery (Built in) Water Proof: IP68 Battery Life: 20 Days Standby Time: 45 Days Charging Method: Magnetic Charging Bluetooth Version: Bluetooth 5.0 Display: Wrist Raise Display Notification: Vibration Alert for Call and Message APP: Support for BRfit (Download by Scanning QR Code Or Searching in The APP Shop) Compatible System: Support for Android 8.0, Support for IOS 12.0 and Above, Devices with Bluetooth 4.0 How to Use: Turn on the product for initial use PackageList: 1 x Smart Bracelet 1 x USB Charging Cable 1 x User Manual