Specification: Sleep score and insights: Yes Battery life (smartwatch mode): Up to 13 days Pulse Ox blood oxygen: Yes (spot-check, and optional all-day and in sleep) Training readiness: Yes Training status: Yes Watch display type: AMOLED (optional always-on mode) Touchscreen: Yes Watch water rating: 5 ATM Strap material: Silicone Lens Material: Chemically strengthened glass Bezel Material: fiber-reinforced polymer Quick Release bands: Yes (20 mm, Industry standard) Physical size 42.6 x 42.6x 11.9 mm Fits wrists with a circumference of 126-203 mm Weight: 40 g Display Size: 30.4 mm (1.2”) diameter Display Resolution: 390 x 390 pixels Color display: Yes Large font option: Yes Battery type: Lithium ion Battery life Smartwatch mode: Up to 13 days (5 days display always-on) Battery Saver Smartwatch mode: Up to 28 days GPS-Only GNSS mode: Up to 23 hours All-Systems GNSS mode: Up to 16 hours Charging method: Garmin proprietary plug charger Memory/History: 512 MB Clock Features Time/date: Yes GPS Time Sync: Yes Automatic daylight saving time: Yes Alarm clock: Yes Smart wake alarm: Yes Timer: Yes Stopwatch: Yes Sunrise/sunset times: Yes Health & Wellness Monitoring Wrist-based heart rate (constant, every second): Yes Daily resting heart rate: Yes Abnormal heart rate alerts: Yes (high and low) Respiration rate (24x7): Yes Fitness age: Yes Body Battery energy monitor: Yes All-day stress: Yes Relaxation reminders: Yes Relaxation breathing timer: Yes Breathwork: Yes Sleep: Yes(advanced) Sleep coach: Yes Breathing variations: Yes Nap detection : Yes Hydration: Yes (in Garmin Connect and optional Connect IQ widget) Women's health: Yes (in Garmin Connect and optional Connect IQ widget) Health snapshot: Yes Lifestyle logging: Yes Health status: Yes What's in the box 1x Forerunner 70 GPS running watch 1x Charging cable 1x Documentation The Watch That Makes a Runner The easy-to-use Forerunner 70 GPS running smartwatch has everything you need to start your running journey with features that support beginner-level runners. 24 months Local Manufacturer Warranty Store in dry cool place. China