Intelligent Noise Reduction: Adaptive cancellation technology can completelycancelout distant echoes regardless ofthe size ofthe sound. 360 Sound Pickup: Full coverage ofsound pickup in smalland medium-sized scenes. Professional-grade conference equipment, with a clear pickup distance of up to 6-8 meters, while enhancing the human voice frequency, making the call sound clear and loud. Automatic gain control technology: Automatically enhance the speaker's voice when the speaker's voice is low and the distance is far. Built-in large lithium battery, can be used continuously for 8-10 hours, Type-c interface, convenient and fast charging, meeting most meeting needs. Support Bluetooth connection, Type-c wired connection, no need to install drivers, support almost all mainstream conference software. Compatible with for , for Android, and for IOS. (Different batches may cause differences in printing, which not affect the use; different light or display may cause color difference in the actual product) Power supply: DC5V Directional characteristics: Omnidirectional Speaker impedance: 42 Frequency response range: 150-15000HZ Pickup distance: 6-8 meters Battery life: 8-10 hours Applicable objects: Meeting rooms Connection method: Bluetooth, USB Color: black Material: plastic+metal Package Contents: 1 * Microphone 1 * USB Cable 1 * Storage bag Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.