Heart Rate Armband - Optical heart rate technology to give you accurate heart rate, calories burned, distance, speed, pace
Bluetooth/ANT+ - Integrated with Bluetooth and ANT+, allows you to connects to smartphones, tablets, GPS watches, fitness equipment and bike computers. Attention - It is unsuitable for Polar Watch and Polar GYM equipment
Rechargeable - Rechargeable battery allows you to workout up to 20 continuous hours. LED lights make it easy to see if your device is connected and working
APPs Compatible - Works with most popular health and fitness apps, including: Wahoo, Polar Beat, Run keeper, Mapmyfitness, Zwift, iCardio and more
Waterproof & Sweatproof - With IP67 waterproof construction, you can count on exceptionally accurate performance in both wet and dry conditions