Sensors | Free Full-Text | Heart Rate and Distance Measurement of Two Multisport Activity Trackers and a Cellphone App in Different Sports: A Cross-Sectional Validation and Comparison Field Study
Line Garmin Swim 2 Smart Watch Heart Rate Monitor Accelerometer Clock Display Alarm Timer Stopwatch Calendar Music Player 1 TFT LCD Touchscreen GPS 168 Hour Slate - Office Depot
Original OEM Garmin waterproof Heart rate monitor + strap HRM-SWIM for swimming | eBay