HRM-Swim Specifications and HRM‍-‍Tri Specifications

Battery type

User-replaceable CR2032 (3 V)

HRM-Swim™ battery life

Up to 18 mo. (approximately 3 hr./wk.)

HRM‍-‍Tri™ battery life

Up to 10 mo. for triathlon training (approximately 1 hr./day)

Operating temperature range

From -10° to 50°C (from 14° to 122°F)

Wireless frequency/protocol

2.4 GHz @ +1 dBm nominal

Water rating

Swim, 5 ATM1

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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February 2024