Earbuds Sports Tracker record information like your heart rate, step count, etc. and displays on your earbuds. Whether it is an iOS or Android device, you can easily check your stats anywhere and anytime. Perfectly arrange your sports plan. Smart bracelet + BT earphones, one device, two functions. Uses advanced sensors to monitor your heart rate, calories burned, steps, and blood pressure. Multifunctional- sports monitor, find mobile phone, step counting, auto-sleep mode, alarm clock and more! Displays text message and phone call notifications from your phone. Compatible with both iOS, Android and all Bluetooth devices Easy to use and great for running and outdoor sports.