Lemfo Y20 1.7 Inch IPS HD Screen Smart Watch with Heart Rate Monitoring IP67 Waterproof Multiple Sports Fitness Tracker Watch - Black

• HD Display Rotating Button: The 1.7-inch IPS HD full-color display, high contrast and wide color gamut brings superior HD quality
• 24-Hour Heart Rate Monitoring: The built-in optical heart rate sensor, combined with an intelligent heart rate algorithm, pays attention to your heart rate changes all day long, and can accurately monitor both the resting heart rate and the exercise heart rate
• Call Information Real-Time Reminder: Messages, calls, APP notifications, all available Intelligent vibration reminder, avoid missing important information
• IP67 Waterproof Rating: Extended more sports. Life scene, daily waterproof is worry-free. Play how you want to play
• Sleep Monitoring Good Night's Sleep: Track sleep conditions, monitor sleep quality, and generate professional sleep monitoring reports. Helps you develop a healthy body clock
• Multiple Sports Modes: Preset mainstream sports modes such as hiking, running, mountaineering and cycling, and professional sports data analysis, so that you can better understand the exercise

Specification:

• Bracelet size: L*W*H=44.4*36*9.2mm

• Weight: 47g

• Chipset Supplier: Goodix

• Chipset: GR5515

• APP: Da Fit

• Compatible System: Android4.4 and above, iOS8.0 and above

• FLASH memory: RAM256KB ROM64Mb

• Type: TFT

• Screen size: 1.7 inches

• Resolution: 240RGB*280

• Touch-type: full-screen touch

• BT: 5.1 low-power Bluetooth chip

• WIFI: not supported

• NFC: not supported

• Gravity sensor (G-Sensor): support

• Gyroscope: not supported

• Heart Rate: HRS3300

• GPS: not supported

• Battery type: polymer lithium-ion

• Capacity: 190mAh

• Charging Method: Magnetic suction

• Waterproof Level: IP67

• Charging time: about 2.5 hours

• Use time: 5-7 days

• Standby time: 25 days

• Wristband size: total length 255mm, adjustable length 155-235mm

• Appearance material: Main body: plastic + zinc alloy; Wristband: silicone + stainless steel

• Product language: English, Chinese, Japanese, Korean, German, French, Spanish, Arabic, Russian, Traditional, Ukrainian, Italian, Portuguese