Industrial Standard Quality
Manual/Auto switch
Support phone function
Emergency call
Single Call,Group Call
Professional Audio Sound Quality
1.77 inches Color Screen Display
Ultra-long Standby Time
Mobile 4G, Compatible with 3G/2G
GPS Positioning
Large Capacity Lithium Battery
Network support：
B1/B3/B5/B8@FDD-LTE,B38/B39/B4O/B41@TDD-LTE,B34/B39@TD-SCDMA,800@CDMA,B1/B5/B8@WCDMA,
1800@DCS,900@EGSM，850@GSM
Operating system：Android 5.1
LCD：1.77
Speaker+receiver：8Ω
Earphone jack：3.5mm
GPS：Optional
RECORD：Support
USB：Support ( USB2.0)
Operating temperature：-20°C～﹢75°C
Battery capacity：4000mAh
Radio size：125mmx60mmx37mm