Garmin HRM Pro Plus

Specifications:

• 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: 1.8 oz (52 g)
• Module size: 29.6 x 53.7 x 8.6 mm
• 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 door: Tool-free
• Battery life: 12 months (Tri training 1 hour per day)
• Water rating: 5 ATM
• Operating temperature: 32°F-104°F (0°C-40°C)
• Radio frequency/protocol: 2.4 GHz ANT wireless communications protocol; BLUETOOTH® Wireless Technology 5.0
• Number of concurrent BLE connections supported: 3
• Number of concurrent ANT connections supported: No limit
• Range: 3 m
• System Compatibility: ANT+, BLUETOOTH

Additional

• ANT+® heart rate: yes
• BLE heart rate: yes
• Supports heart rate variability and advanced heart rate features: yes
• ANT+ running dynamics: yes
• Stand-alone activity monitoring (steps, all-day heart rate, calories and intensity minutes)
• Supports TrueUp
• Stores and forwards heart rate: yes
• Swim interval heart rate statistics: yes
• Running pace and distance: yes