Indigi Bluetooth Smart Watch Removable Handsfree Headset for iOS iPhone 6s Android Galaxy S7 Edge Note 5 MTK2502 chip + Double Bluetooth 4.0 / 3.0 mode: Compatible with both iOS and Android phones, functions are more powerful. | Synchronize outgoing and incoming call  Indigi Umini Smart watch can synchronize incoming and outgoing calls from smart phone, you will not miss any important call at any time. Heart Rate monitor  Indigi Umini equipped with Built-in heart rate sensor which can read your heart rate from your wrist. | Pedometer  Turn on pedometer to control and monitoring your sport motion, Including walking distance, step counters and calories. Rimless fit screen sensitive keys wire-drawing metal case Heart rate, Bluetooth headset, and sports bracelet perfect combination Elegant and comfortable leather strap Record activity and calories burned throughout the day to keep abreast of sports achievement | Caller ID + removal answer, earmuffs models meet different needs of customers Light up screen when you hand up  Unlike other smartwatch, when you need watch the time, no need press the button, only raise your hand, the watch screen will automatically light up. Convenient and user-friendly.