TomTom Spark 3 Cardio (Aqua - small) Waterproof GPS activity tracker with built-in heart rate monitor at Crutchfield
TomTom Runner Cardio review - 220 Triathlon
Amazon.com: MOTONG Replacement Band For TomTom Silicone Repalcement Band For TomTom Multi-Sport GPS Watch,TomTom Multi-Sport + HRM,TomTom Multi-Sport Cardio Watch And More (Silicone Black) : Electronics