This premium heart rate strap transmits real-time heart rate data over ANT+ connectivity and Bluetooth Low Energy technology, giving you more training options. Consistently receive accurate heart rate on your Garmin device, in online training apps such as Zwift or even the compatible fitness equipment at the gym.

• Unit dimensions (LxWxD): 23.5”-56.0” x 1.2” x 0.5” (60.0-142.0 x 3.0 x 1.2 cm)
• Weight: 2.1 oz (59 g)
• Module size: 29.4 x 51.4 x 8.5 mm
• Module weight: 1.7 oz (49 g)
• Size adjustment: Bi-fold
• Sizing range: 23.5”-42.0” (60.0-106.0 cm); 23.5”-56.0” (60.0-142.0 cm) with optional strap extender
• Battery: CR2032
• Battery life: 12 months (Tri training 1 hour per day)
• Water rating: 5 ATM
• Operating temperature: 14°F-122°F (-10°C-50°C)
• Radio frequency/protocol: 2.4 GHz ANT wireless communications protocol; BLUETOOTH Wireless Technology 5.0
• Number of concurrent BLE connections supported: 2
• Number of concurrent ANT connections supported: No limit
• Range: 3 m
• System Compatibility: ANT+, BLUETOOTH
• ANT+ heart rate
• BLE heart rate
• Supports heart rate variability and advanced heart rate features
• ANT+ running dynamics
• Stand-alone activity monitoring (steps, all-day heart rate, calories and intensity minutes)
• Supports TrueUp
• Stores and forwards heart rate
• Swim interval heart rate statistics
• The user-replaceable coin cell battery lasts for up to one year.