• 1.85 large screen High-definition vision: 1.85-inch high-definition large screen, 240*280px high-definition resolution, clear screen display, delicate colors, the full-screen touch of the watch, full-color gamut coverage, allowing eyes to enjoy the beauty of every detail
• Heart rate/blood oxygen monitoring: Built-in high-precision heart rate sensor, the measurement results are more accurate, measure your heart rate anytime, anywhere, and always pay attention to your health
• Strong power reserve Say goodbye to anxiety: Equipped with a large-capacity polymer lithium battery, the daily battery life is enhanced, and there is no need to charge every day, giving you a sense of security
• Bluetooth call free hands: The watch supports Bluetooth calls, call reminder/dial/contact/-call history, synchronized with the mobile phone, and can be viewed at any time; a real-time reminder of incoming calls, raise your hand to view the incoming call information
• 18 sports modes: 18 sports modes, including walking, running, indoor running, cycling, exercise bike, yoga, elliptical machine, basketball, badminton, table tennis, rugby, tennis, baseball, skipping rope, climbing, rowing machine, cricket, strength training, you can practice whenever you like

Specifications:

• Product size: 45.7mm*38.7mm*11mm
• Case material: aluminum alloy
• Strap specification: 22mm silicone strap (removable and replaceable)
• Product weight: 41g
• Waterproof rating: IP67
• Bluetooth distance: ≥ 10M
• Battery life: 5-7 days
• Charging time: ≤ 2H
• With smartphone system: Android 5.1 or IOS 8.2 or above support Bluetooth 4.4 BLE system
• APP name: FitCloudPro
• CPU: Realtek8762DT+HN333
• RAM: 128Mb
• ROM: 256Kb
• Heart rate sensor: HX3605
• Acceleration sensor: SC7A20
• Bluetooth: BLE5.0
• Display: 1.85" TFT, 240*280
• Vibration motor: 15000±2500 rpm
• Physical keys: 1 with encoder
• Touch: Full-screen touch 
• Battery: 260mAh polymer battery
• Charging interface: 2PIN thimble interface
• Body temperature: not supported
• Built-in dials: 10 built-in dials
• Custom dials: Support
• Dial Market: Support
• Device information: device name (HT15), MAC address, version number
• Brightness adjustment: Support 5 levels of adjustment (default second level)
• Raise wrist to light up the screen: default on for 2 seconds
• Find phone: Support
• Restore factory settings: Support
• Do not disturb mode: Support
• Voice assistant: Support
• Time display: Support
• Connect: Connect 1 time
• Bluetooth call: Support
• Watch phone book: sync 100 contacts to watch
• Exercise monitoring: Record daily steps, exercise distance, and calories burned
• Sleep monitoring: automatically monitor sleep and wake-up time and sleep quality
• Heart rate detection: Support
• Blood pressure detection: Support
• Breathing exercise: Support
• Sports mode: Support 18 sports modes
• Alarm clock: Support
• Sedentary reminder: Support
• Goal reminder: Support
• Incoming call: Support incoming call mute, incoming call reject
• SMS: watch display cell phone push SMS and application messages
• Social: QQ/Email/Facebook/Twitter/WhatsApp/Line/Skype/WeChat, etc.
• Stopwatch: Support
• Remote photo: support button or shake to take photos
• Music control: control phone music up/down, pause, start, volume
• Weather: Display (temperature/air quality/weather)
• Social sharing: Support sharing with WeChat friends, WeChat circle of friends, WeChat collection, QQ, Facebook, Twitter, LinkedIn, Flickr