Amazfit W1821US1N Wd Bip S Carbon Black Retail

Body material
Polycarbonate Strap material
Silicone and skin friendly TPU Strap length
110 mm (long), 85 mm (short) Strap width
20mm Waterproof rating
5 ATM Display
1.28" Transflective Color TFT, resolution 176 x 176,
Always-on Display, 64 RGB color gamut Touch screen
2.5D Corning Gorilla 3 generation tempered glass +
anti-fingerprint coating Sensors
BioTracker TMPPG Bio-Tracking Optical Sensor
3-axis acceleration sensor
3-axis geomagnetic sensor Bluetooth
BT5.0/BLE Positioning
GPS + GLONASS Battery
200mAh lithium-ion polymer battery (Typical value) Charging time
About 2.5 hours Charging method
Clip / 2-pins POGO pin Battery Life
Basic usage scenario: 40 days
Typical usage scenario: 15 days
Standby scenario: 90 days
GPS continuous working time: 22 hours Operating system
Amazfit OS Supported devices
Android 5.0 or iOS 10.0 and above Accessories
Clip dock, user manual Storage method
Zepp App Item Dimension (L"xW"xH")
5 x 5 x 2

Weight
1 lb

Warranty Information
1 year