Ekho Heart Rate Monitors make heart monitoring easy & affordable. Sold individually or in Class packs, Ekho heart rate monitors are an excellent tool to help chart performance and progress for your fitness program. The Ekho model E-10 heart rate monitor provides continuous heart rate reading and makes any physical activity safer and more effective. The attractive watch receiver offers one button operation for easy use, continuous heart rate readings and time of day. Interfaces with interactive heart rate fitness equipment!