1. Noise Suppression (Optional)

2. RFID & NFC (Optional)

3. Mandown 

4. Group Switching Knob (16 Channels) - Simply & Quickly

5. SOS Function

6. Type C Charging Port (On battery) - Can be charged Anytime & Anywhere

7. Customizable Voice Prompt 

8. Cloud Platform (Optional)- OTA Upgrade, Remote Control

9. Loud & Clear Sound 

1. Wide verizon LCD

2. Protection to over voltage, over current, overloading and thunderstrike

3. Screen flip function
4. Shortcut to switch group/user and talking history
5. Loud audio and audio control lock function
6. Multimedia Speaker
7. Wide range of input voltage options: 12-28V
8. Can be a 5V 1A quick charger for mobile phone
9. exteral speaker is available with Tesunho's standard
10. 8-pin secondary development jack available 
11. Maximum bracket rotate degree: 270 degree