The bracelet must be connected to the phone via Bluetooth before it can display the same time as the phone.
The time can't be adjusted until the device is connected. Please restart or refresh if out of connected,
and the more time you use it, the more accurate will it be.
Please exhaustive read the user manual before using the product.

Specification:
Product Type: Z18
Vibration: Mute / vibrate
Waterproof rating: IP67,Swimming, diving(DO NOT steep in the hot water for long time)
Screen size: 0.49 inches
Screen type: OLED
Appearance Material: Alloy
Chip: CH-NRF21822
BP heart rate sensor: PAH8001EI
Size: L*W*H= 51.3*23.8*13.1mm
Strap size: L*W = 17.0*10mm
Color: Black, Silver, Gold

Other parameters:
Battery type: polymer lithium battery
Battery capacity: 60mah
Charging method: 2-point charging
Charging time: about 1.5H
Life: 3-5 days, standby 7 days
Data Sync:data synchronization to mobile app
Data storage:Storage 7 days' sports data
Control: key control, mobile phone APP control
Connection parameters: Bluetooth 4.0BLE (low power)
Compatible system: Android 4.4 and above, iOS 8.0 and above

Tips:
The use of one-piece sealing, IP67 level waterproof in daily life , can be used for domestic water
and exercise sweating to achieve protective effect , like washing your hands or getting caught
in the rain will not damage your watch, but do not recommend wearing a bracelet
swimming and bathing

Packing accessories:
1 x smart bracelet
1 x charging cable
1 x User manual

• ★MAIN FUNCTIONS:Blood pressure blood monitor, dynamic heart rate monitoring, Pedometer function, sleep monitoring function, calorie mode, time display / power / date, call reminder, SMS reminder,alarm clock reminder reminds,falls photos Social sharing (micro-credit, QQ, Facebook, Twitter) and other
• ★DIFFERENT: Smart Blood Pressure Heart Rate and Blood oxygen Monitor,your Fitness Bracelets Pedometer,it is not only a Smart Bracelet but also a beautiful fashional jewelry ,a shiny bracelet,perfectly combines both health and fashion
• ★0.49 inch OLED Touch Screen: Fitness Bracelet is touch controlled ,there is not button, the screen will automatically light up when you turn over hand ;you don't need to touch the bracelet, just shaking the bracelet to take photos through the APP.
• ★IP67 WATERPROOF:The use of one-piece sealing, IP67 level waterproof in daily life , can be used for domestic water and exercise sweating to achieve protective effect , like washing your hands or getting caught in the rain will not damage your watch, but do not recommend wearing the bracelet swimming and bathing
• ★COMPATIBILITY & BATTERIAL:Perfectly compatible with Android 4.4 and above,IOS 8.0 and above, Bluetooth V4.0(low power) ;60mAh Battery capacity ,Magnetic charge for 1.5 hours ,a charge can be used for 3-5 days, standby for more than 7 days under a shutdown condition

★MAIN FUNCTIONS:Blood pressure blood monitor, dynamic heart rate monitoring, Pedometer function, sleep monitoring function, calorie mode, time display / power / date, call reminder, SMS reminder,alarm clock reminder reminds,falls photos Social sharing (micro-credit, QQ, Facebook, Twitter) and otherQidoou