About this item ,

It is 4g smart watch ,

There are 2+16gb and 4+64gb memory .

The battery is 800 mAh ,

The sim card is Nano single sim .

Network mode: GSM/WCDMA/TDS-CDMA/LTE
Frequency band: GSM: B2/B3/B5/B8
WCDMA: B1/B2/B5/B8 TD-SCDMA: B34/39
LTE_FDD: B1/B2/B3/B5/B7/B8/B12/B17/B20
LTE-TDD: B38/39/40/41 

Description
Screen: 1.54-inch high-definition round screen with 360*360 resolution
Touch screen: G+F capacitive screen
System: Android 8.1 operating system
Camera: HD Dual Camera 3MP + 8MP
CPU model: quad-core SC9832E
CPU frequency: 1.4GHz quad-core
SIM card type: Nano SIM card
SIM card slot: single SIM
Bluetooth: 4.2
Battery: 800mAh
Face ID: NO
Functions: heart rate, blood oxygen, blood pressure measurement, GPS navigation, Google Maps, Google Store
WIFI wireless fast access, step counting, multiple sports modes, support WIFI 2.4G/5G, answer calls, dial, remote control, push messages, etc.

Built-in: Facebook, Messenger, Line, Bing, PayPal, Gayle, WhatsApp, Twitter, Instagram, Telegram, Chrome, Outlook, etc.
Watch size: 51*51*15.4mm
Data interface: 4pin magnetic charging, support USB function.
packing list:
watch x1
Data cable x1
Manual x1
box x1