| Display | 1.2-inch always-on transflective touchscreen with mineral glass and a night mode | 1.4-inch always-on touchscreen memory LCD, 280 x 280, 64 colors, sapphire glass |
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| Body | 11.7 mm thick; 30 g with nylon band; silicone and nylon band options; 20 mm quick-release bands | 50.3 x 50.3 x 16 mm; 87 g with silicone band, 70 g with nylon band; Grade 5 titanium alloy bezel with PVD coating; 26 mm quick-fit bands (nylon and silicone both included); 10 ATM water resistance (surface water activities, not diving) |
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| Battery | Up to 15 days of regular use; up to 38 hours of full GPS (standard GPS mode) | Up to 36 days of daily use; up to 118 hours of full GPS; up to 73 hours in All Systems GPS mode; up to 43 hours in All Systems dual-frequency mode (up to 22 hours with offline music playing); under 2 hours to charge |
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| Positioning | GPS with optional dual-frequency mode, barometric altimeter, breadcrumb and turn-by-turn navigation | All-satellite dual-frequency GNSS chipset; GPS, GLONASS, Galileo, BeiDou, QZSS |
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| Sensors | Optical heart rate and SpO2 sensor (5 LEDs, 4 photodetectors), barometric altimeter | Optical heart rate monitor, optical pulse oximeter, electrical heart rate sensor for HRV and wellness checks, barometric altimeter, accelerometer, gyroscope, 3D compass, thermometer |
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| Water Resistance | 5 ATM | — |
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| Sports | Run, bike, swim, strength and snow activity modes; training plans, workouts and COROS Training Hub | Climbing, snow sports with auto ski-touring transition, ultra-running, mountaineering with storm alert and altitude mode, plus Effort Pace, EvoLab, training plans and Virtual Pacer |
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| Connectivity | Bluetooth; syncs with Strava, Nike Run Club, Apple Health and Health Connect; notifications, Find My Phone, GoPro and Insta360 control | Bluetooth, Wi-Fi and the COROS app for data sync and firmware updates; offline music playback with supported Bluetooth headsets |
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| Music | Built-in audio support for music (per COROS) | — |
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| Storage | — | 32 GB (about 1,200 hours of outdoor activity data, plus offline maps and music) |
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| Navigation | — | Downloadable global offline maps (Landscape and Topo layers), turn-by-turn directions, checkpoints, Back-To-Start, deviation alert, touchscreen map control, safety alerts |
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| Controls | — | Touchscreen, tactile buttons, a digital dial and a dedicated backlight button |
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| Operating temperature | — | -30 to 50 C (-22 to 122 F) |
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