1.3 inch HD color screen comes with a 1.3 inch bright color screen that provides incredible color depth and exceptional clarity. [High precision sensors] the accelerometer and heart rate sensor, which are the core technology of the watch, features low power consumption and high accuracy. [Long battery life] it takes 1.5 hours to fully charge and can last up to 7 days on a single charge. IP67 Waterproof withstands splashes or brief immersion in the water, which enables you to walk, run or dance in the rain with no worry. Upgraded optical heart rate sensor uses an upgraded sensor for accurate heart rate monitoring, which allows you to see your heart rate changes throughout the day. Fitness tracker record your full-day steps, activity distance and calorie consumption in real-time, scientifically detect your exercise status and help you adjust your exercise intensity. Sleep monitor: Supports auto sleep tracking, sleep stages analysis, sleep schedule, sleep insights and alarm clock. Real-time notification: Crystal 3 will remind you the incoming calls, and you can reject the phone call with one tap. Ensures you never miss a message. Lightweight & comfortable: only 27g in weight, provides you a comfortable experience when recording the physical data and conditions during exercise. Built-in USB charging: No charging cable and dock needed. Pull bands off the tracker and insert the built-in USB plug into a USB charger for charging. Various watch faces for you different from most of the existing smartwatches on the market, the watch face of crystal 3 can be changed and customized as you like.

  • Specifications:
  • Condition: 100% brand new and high quality
  • Color: Black, red, green (optional)
  • Brand: Zeblaze
  • Model: Crystal 3
  • Compatible system: Android 4.4 and above, IOS 8.0 and above
  • Case size: 40.5 x 35.5 x 12 mm/1.59 x 1.40 x 0.47"
  • Net weight: 27g
  • Case material: Abs, pc
  • Band Material: Tph
  • Screen: 1.3 inch IPS color display screen
  • Resolution: 240 x 240 pixels
  • Bluetooth version: Bluetooth 4.0
  • Sensor: Heart-rate sensor, proximity sensor, accelerometer.
  • Waterproof level: IP67 waterproof
  • Type of battery: Lithium polymer battery
  • Battery capacity: 200mah
  • Standby time: About 7 days
  • Charging time: About 1.5 hours
  • Alert type: Vibration
  • App name: Happy sports
  • App language: English, Brazil, Portuguese, Russian, Spanish, Italian French, German, Thai, Japanese, Arabic
  • Functions: Heart rate monitor, blood pressure monitor, steps tracking, calorie burn tracking, sleep tracking & stages, exercise tracking, daily steps goal, real-time pace & distance, goal celebration