BlueNEXT 4G Smart watch GPS Heart Rate Monitoring Waterproof Watch

Operating System: Android8.1
Processor Type: 8541E
Memory: 1GB+16GB/2GB+32GB/4GB+64GB
Wifi: 2.4GHz
Bluetooth : BT4. 1
Location: GPS/BD/GLONASS
Display: 2.2inches AMOLED (368*448)
2G Network
GSM:B2/3/5/8
3G Network
WCDMA:B1/2/4/5/8
4G Network
LTE:B1/B2/B3/4/B5/B7/B8/B12/B17/B20/B38/B39/B40/B41(100M)
NFC: optional
Gravity Sensor: Support
Power Adapter: 5V-1A
Button: 1 Key
Waterproof Level: IP67
Heart rate monitoring: Support
Multi-sports mode: Support
weather: Support
Step: Support
Dial market: Support
Application market: Support
Music : Support
Torch: Support
Clock: Support
Dial settings: Support
Menu style: Support
SMS: Support
Phone: Support
Contacts: Support
Setting: Support
File management: Support
Calculator: Support
Browser: Support
AudioRecord: Support
Calendar: Support
E-Mail: Support
Search: Support
Video: Support