Forerunner Specifications

Battery type

Rechargeable, built-in lithium-ion battery

Battery life, watch mode

Up to 9 wk.

Up to 8 wk. with activity tracking

Up to 4 wk. with activity tracking and smartphone notifications

Up to 11 days with activity tracking, smartphone notifications, and wrist-based heart rate

Battery life, activity mode

Up to 16 hr. in GPS mode

Up to 14 hr. in GPS mode and wrist-based heart rate

Up to 10 hr. in GPS + GLONASS mode and wrist-based

Battery life, UltraTrac mode

Up to 24 hr.

Up to 21 hr. with wrist-based heart rate

Water rating

Swim, 5 ATM1

Operating temperature range

From -20º to 50ºC (from -4º to 122ºF)

Charging temperature range

From 0º to 45ºC (from 32º to 113ºF)

Radio frequency/protocol

2.4 GHz ANT‍+® wireless communications protocol

Bluetooth® wireless technology

1 The device withstands pressure equivalent to a depth of 50 m. For more information, go to www.garmin.com/waterrating.
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