■ 2nd generation model with updated design and functionality. ■ Pairing can be performed with up to 3 Bluetooth connections at the same time and increase the working time of 500 hours. ■ Slim front snap design that is easy to put on and take off, and allows for a natural feel and a secure fit. ■ Equipped with an LED indicator on the top of the device so you can easily check the connection with your device. ■ Bluetooth also equipped with ANT+ technology, allowing simultaneous pairing with smartphones, GPS watches, and cycle computers. ■ Compatible with more than 50 apps including Zwift, The Sufferfest, Peloton, Runkeeper, MapMyRun for Running. ■Color: White; Strap length: adjustable from 23.0 inches to 47.2 inches (584 mm) to 48.7 inches (1219 mm) ■Battery: CR2032 lithium battery; Working time: 500 hours or more training ■Waterproof performance: IPX7 (up to 1.5 m) ■ Wireless communication method: Bluetooth, ANT+ Weight: 1.7 oz (48 oz (48 oz (48 g) (pod and chest strap). ■ g). ■ g). ■ g). ■ lbs ( g). ■ g). ■ kg). ■ Maintenance : The strap can be washed by hand washed.