Heartbeat-checking bracelet

Athletes are briefed about a heartbeat-checking bracelet at the national athletes’ training center in Taeneung, northern Seoul. The product, named Mio Fuse, was developed by Apsun. It checks users’ heartbeat in real time and sends the data to connected smartphone so that its wearers can track heartbeat changes during workouts. The device has a 99 percent accuracy rate, the firm said. For more information, visit www.whipsen.com or contact 02-443-4456. / Courtesy of Apsun