Amazfit W1929US1N Wd Stratos 3 Sport Watch 3 Black Retail

Case Diameter
48.6mm Case Thickness
13.4 mm Weight (without strap)
Approx. 40.4 g Body Material
316L stainless steel and zirconia ceramic bezel, reinforced plastic bottom case, 316L stainless steel button and U-shaped frame Strap Material
Silicone Strap Length
120 mm (long), 75 mm (short) Strap Width
22 mm Waterproof Rating
5 ATM (up to 50 meters water depth) Display
1.34" full round MIP Transective TFT Resolution 320 x 320 Touch Screen
Corning Gorilla 3 generation tempered glass + anti-ngerprint coating Sensors
BioTracker PPG Bio-Tracking optical sensor
6-axis acceleration sensor
3-axis geomagnetic sensor
Air pressure sensor Connectivity
Bluetooth 4.2 + BLE 5.0
WiFi 2.4GHz 802.11 b/g/n Multiple Positioning
Four Satellites Three Modes (GPS + GLONASS / GPS + GALILEO / GPS + BEIDOU) Battery
300mAh lithium-ion polymer battery (typical value) Charging Time
About 2.5 hours Charging Method
USB Magnetic charging stand / 4-pins POGO pin Battery Life
Smart mode: 7 days
Factory default settings and heart rate always on. Per day: Receive 150 messages, lift the wrist to see the time 30 times, 30 minutes of outdoor sports, 5 minutes of other operations.
Ultra endurance mode: 14 days
Factory default settings and heart rate always on. Per day: Receive 150 messages, lift the wrist to see the time 30 times, 30 minutes of outdoor sports, 5 minutes of other operations.
GPS continuous working time:
Accurate Mode:
35 hours (Access Heart Rate monitor, touch function, access notifications, always-on and low consumption LCD, raise wrist to update data 10 times per hour, GPS records once per second)
Balanced Mode:
45 hours (Access Heart Rate monitor, touch function, access notifications, always-on and low consumption LCD, raise wrist to update data 10 times per hour, GPS records once every 5 seconds)
Power Saving Mode:
70 hours (Turnoff heart rate monitor and touch function, turnoff notifications, always-on and low consumption LCD, raise wrist to update data 10 times per hour, GPS records once every minute)
Note: The GPS can be adjusted in 3 sports modes: Trail Running, Outdoor Walking and Climbing, other sports modes can only use the Accurate GPS mode. Operating System
Amazt OS Supported Devices
Android 5.0 or iOS 10.0 and above Accessories
Magnetic charging stand, user manual Application