Unix Round Display Smart Watch - Music, Health & Multiple Sports Modes Smartwatch Smartwatch  (Black Strap, Standard)

Bluetooth call via cellphone,talk at the watch side.Phonebook:sync partial contacts of the phone contacts.call logs:Sync the message in the cellphone maximum 10 message.Whenever you receive a notification, SMS or messages from APP (Facebook, WhatsAPP, Messenger, Instagram and etc.) when your phone connects to the smartwatch, the smart watch vibrates slightly and remind you to view the information on the display, But it can not reply it with your smart watch.Wear the watch tightly with your wrist, best position would be upper of the hand-wrist, around 20 seconds it will shows the real time heart rate data,slide down menu into history mode includes single measure and continues measure; and instruction.Generally speaking, normal value is 60-90 times/min.The device turns on sleep monitor automatically from 9pm to 9am. It records your sleep durations and quality, help to build a better rest time, improve sleep quality. slide up enter options; status, on and off; history ,check out deep sleep and light sleep instruction.The phone at any interface M active, the watch enter camera tap to take a photo, and the photo is stored on the phone.