Features:Through BT connection, you can make a phone call, and answer or reject phone calls.Professional waterproof design, which can prevent rain and life waterproof. Makes it more safe and reliable.It set the function of passometer inside can make record of the date for a whole day 7 * 24 hours.It can analyse the exact amount of fat. It provides detailed date for the people who love sports. And know his/her own exercise situation well at any time.It has the function of altimeter and thermometer, it is the good assistant of climbing and traveling. Measure the height of altitude at any time.It can set 5 alarm clocks.It has stopwatch function.It’s vibrator can be set.When it is connected with mobile phone, music control function like on now previous music and next one.When it’s connected with mobile phone, it gives an alarm when the distance more than 15m.When it’s connected with mobile phone, you can dial and answer the phone on it.