Tidebuy Smart Watch Reviews

This is Smart Watch - Zeblaze Blitz Smart Watch Phone 3G 4GB Android 5.1 Quad Core TELECAMERA WIFI GPS Bluetooth  from tidebuy.com. There're so many people love it. You may have a look at the following picture and then read product description on it.
Product description
Zeblaze Blitz Smart Watch Phone 3G 4GB Android 5.1 Quad Core TELECAMERA WIFI GPS Bluetooth
Description:
Bluetooth version: Bluetooth 4.0
CPU: MTK6580 1.3GHz,Quad Core
Network Frequency:
2G: GSM850/900/1800/1900Mhz
3G: WCDMA 850/2100Mhz
Screen Size: 1.33 inch
Screen type: Gorilla Glass 3
Resolution: 360*360 pixel
WiFi: 802.11b/g/n
RAM: 512MB
ROM: 4GB
Camera: 2.0MP
Battery type: Polymer lithium ion battery
Battery capacity: 480 mAh
Operating System: Android5.1
SIM card slot: Single SIM(Nano SIM)
Compatible Systems: Android 5.0 or above
GPS: Yes
Heart Rate: SAMSUNG Heart Rate chip
Language: Traditional Chinese, Simplified Chinese, English, Japanese,
French, Croatian, Hungarian, Dutch, Norwegian Bokmal,
Slovak, Greek, Arabic,Czech, Danish, Finnish, German,
Ukrainian, Hebrew, Italian, Korean, Persian, Polish,Thai
Portuguese,Romanian, Russian, Spanish, Swedish,Turkish
Standby time: 48 hours
Normal using time: 24 hours
Bluetooth working range: 6-10M
OTA Upgrade: Yes
Case material: CNC crafts stainless steel+ Blitz back cover
Band material: Silicon
Package contents:
1 x Smart Watch
1 x screwdriver
1 x Charger
1 x Cable
1 x User Manual(English&German)
Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.
If you are interest in it, See more details here.