9.4 mm thin and 24.8 g lightweight aluminium alloy housing for high wearing comfort and a pleasant look. Large 1.65" 340 PPI AMOLED display for an outstanding and comfortable viewing experience with 7 customizable access icons. Designed to withstand all your activities, this watch is 5 ATM certified, equivalent to 80 PSI, 164 feet or 50 meters of water depth.

Route 12 different sports: outdoor running, treadmill, hiking, outdoor cycling / indoor cycling, elliptical trainer, swimming pool / outdoor pool, mountaineering, trail running, skiing, training. GPS + GLONASS tracks your routes accurately. Up to 14 days battery life on a single charge. Up to 25 hours with GPS on.

Huami developed a high precision optical heart rate sensor for manual and continuous heart rate measurement during training. Monitor your sleep and get an analysis of your sleep patterns. Receive notifications of incoming calls, emails, messages and other applications.