Hardware Configuration:

Android Version: Android 9.1
CPU:SC9832e+PAR2822
Screen size:1.6 inch
Screen resolution:400*400 dpi
RAM:2G/4G and ROM:16G/128GB
Camera:5M
Waterproof: IP67(It can not drop into water and aviod from steam).
Frequency band:
GSM:850/900/1800/1900
WCDMA:850/2100
FDD-LTE:B1/B2/B3/B4/B5/B7/B8/B20
TDD-LTE:B38/B39/B40/B41(100M)

Please check your SIM card support these frequency. Thanks.

Package Including:
1*smart watch
1*charging cable
1*user manual book
1*retail box

Without SIM card it need Download Watch APP to Make Connection with Your Phone

Watch APP: Gao Fit(It can download from apple store or google play store or scan the QR code on the watch,user book)
APP compatiable with: Android 6.0 or iOS11.0 and above.
After bluetooth connection it only has reminder for your phone calls and push message on the watch.