Product Features:
● Display: 42mm - 1.2'' ( 390 ? 390 pixels)/47mm - 1.39'' (454 ? 454 pixels) AMOLED screen with Corning Gorilla Glass 3 protection + AF Coating
● Strap Width: 42mm - 20mm/47mm - 22mm
● Dial Thickness: 42mm - 9.2mm/47mm - 10.75mm
● Sports Mode: 12
● Connection: WiFi, Bluetooth 5.0 LE, NFC, GPS + GLONASS
● Charging Method: Magnetic charging stand, 2Pin Pogo Pin charge
● Waterproof: 5ATM/50 meters
● Battery: 42mm - 195mAh LiPo, 12 days daily use mode, 34 days basic watch mode, 22 hours GPS continuous mode/47mm - 410 mAh Lipo, 24 days daily use mode, 74 days basic watch mode, 40 hours GPS continuous mode
● Sensor: BioTracker PPG bio-tracking optical sensor, 6-axis accelerometer, 3-axial geomagnetic sensor, air pressure sensor, capacitive sensor, ambient light brightness sensor
● Compatible with Android 5.0 and above, iOS 10.0 and above
In terms of design, the 42mm model is available in black, red, white, and pink standard versions, each only 25.5g in weight, while the 47mm model comes in aluminum alloy (36g), stainless steel (48gram), and titanium (40g) versions. Applying the coupon code "gtr47", you can get the 47mm model with the price of $129.99.
Amazfit GTR 42mm: https://gearvita.com/huami-amazfit-g...atch-42mm.html
Amazfit GTR 47mm: https://gearvita.com/huami-amazfit-g...atch-47mm.html