1. 360-degree sound pickup without dead ends, with a pickup radius of up to 4 meters 2. Built-in 1 high-sensitivity MIC using beamforming microphone array technology 3. Connection mode: 2.4G wireless reception 4. Equipped with intelligent two-color led lights, which can easily display the status of each function 5. Support external headphones or speaker devices with amplifiers 6. Compatible with various embedded terminals and various video conferencing software 7. It is suitable for small meeting rooms or personal use. It is fully used in many party building projects and is very suitable for employees to use on business trips. 8. It can be connected to other communication terminals such as computers and video terminals through the USB interface, with a very good echo cancellation function 9. Excellent voice playback system, loud speaker volume up to 80dB 10. Built-in 1000 mAh lithium battery, continuously available for 4 hours, long standby time for 5 days 11. System support: Windows, Mac OSX, Android 12. Microphone frequency response: 100Hz-8KHz 13. Speaker frequency response: 100Hz-22KHz 14. Microphone pickup range: built-in 2.5 meters, 360 degree full range 15. Echo cancellation: 256ms 16. Signal to noise ratio: greater than or equal to 58dB 17. Size: 137x137x33mm