Walkie talkie A19S 4G zello phone (1 year warranty)

Waterproof Level : IP68 Waterproof
Dimensions : 113.2*60*28mm
Net Weight : 182g (including antenna)
Shell Material : TPU+ABS
Style : Bar
Service Provide : Unlocked
Band : 2G: GSM900/1800MHz , 3G: WCDMA850/2100MHz; TD-SCDMA: B34/B39 , 4G: FDD-LTE B1/B3, TD-LTE B38/B39/B40/B41
SIM Card : Dual Nano SIM card dual standby
OS : Android 6.0 Marshmallow
CPU : MT6737T, 64bit quad core, 1.5GHz; GPU: Mali-T720
RAM : 3GB RAM
ROM : 32GB ROM, support TF card up to 128GB maximally
Screen : 3.0 inch IPS capacitive touch screen, 854*480px, 260dpi
Earphone Port : M6 standard port
Speaker : 1.5W loudspeaker
FM Radio : Yes
Data transfer : Type-C/BT/M6 port
Mobile internet : WAP/WiFi
Camera : Double cameras,13MP front, 16.0MP AF back camera with night vision infrared LED flashlight
Phonebook : 3000
Message : SMS/MMS
Input : Handwrite/Keypad
WiFi : IEEE802.11 a/b/g/n, support 2.4GHz/5GHz dual band wifi
BT : V4.0 (HS)
GNSS : GPS/BDS/A-GPS
NFC : 13.56MHz
SOS Function : Yes, support
POC : Yes, by 3rd party apps like zello etc.
Sensor : Accelerometer sensor, magnetic sensor
Battery : Built-in 4800mAh lithium polymer battery
Standby Time : Up to 100 hours
Other Features : Ebook, Email, wallpapers, calendar, calculator, clock, wifi hotspot, play store, OTG, torch etc
Working Temperature : -20℃-60℃
Storage Temperature : -20℃-70℃
Accessories : 1 x USB charger , 1 x USB cable , 1 x User manual