"KROSS" Heart Rate Monitor, Bluetooth Smart Band is the latest in technology with great features like Heart rate monitor,Step pedometer,Calorie burnt,Distance track,Sleep monitor,Call reminder Alarm remind,Anti-lost,Camera remote control,etc. to help you through the busy schedule of your daily life. It is your partner / assistant who will keep an eye on you and your health reminding and updating you on the go. No matter wherever you go, the built-in sensor can record steps, distance, activity hours, calories data and set the sedentary alert function in the app, once the set time come, the band will vibrate to remind you to get some exercise. "KROSS" Heart Rate Monitor, Bluetooth Smart Band auto recognize your sleep status, includes sleep degree, awake time duration, fall asleep time, awake time. After sleep data sync, user could check on-line chart showing sleep trend, and set silent vibration alarm, which wakes you up silently and start a new day. KROSS SMART BAND IS YOUR BEST BUDDY!