Physical & Performance Display Size 0.41 x 0.73 (10.5 mm x 18.5 mm) Display Type OLED Battery life up to 7 days in smartwatch mode Display resolution 88 x 154 pixels GPS No Weight Small/medium: 24.5 g Large: 26.5 g Maps & Navigation Memory/History 7 timed activities, 14 days of activity tracking data Features STR3AMUP! PC tool for streaming biometrics No Multi-frequency Positioning No 3-axis compass with HSI (horizontal situation indicator) No