How to use Bluetooth-compatible call:
The Bluetooth-compatible call function requires dual Bluetooth-compatible signal support, so you need to connect twice according to the instructions:
-- Scan the QR code on the manual through the mobile phone browser, download the dedicated app, and turn on the mobile phone Bluetooth-compatible. Find and connect the device in the app. Confirm binding
-- Find the device in the Bluetooth-compatible of the mobile phone (check the device name in the watch to check the device information), and select the connection and pairing

Description:
Name: Smart Watch
Watch size: 44 x 38 x 11mm
Watch color: black, white,Pink,red,blue
Screen size: 1.8 inches HD IPS, 2.5D curved full touch screen, 320x385 resolution
Bluetooth-compatible: 4.2+50 Dual-mode
CPU: HS6620D+MTK2502
Flash : 8M bit+16M bit
Battery: 300mAh lithium ion battery, longer battery life Standby time: >7-15 days Use time:>5-7 days
Strap size: 42/44mm
System: Support for Android5.0& for IOS9.0 and above.
Languages: English Dutch Russian French Portuguese German Spain Turkey Poland Malay Czechoslovakia Arabic Thai Italy
Waterproof: IP67 life waterproof, please do not bring your watch to swimming, diving, bathing and sauna!
Appearance material: alloy

Packing list: 
1 x Smart watch
1 x USB charging cable
1 x User manual
1 x Packing box

Note:
Due to manual measurement, please allow 1-3 cm error, thank you
Due to screen and other objective reasons, there may be a certain color difference, please understand.