Intelligent Noise Reduction: Adaptive echo 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 Windows, for Android, and for IOS. (Different batches may cause differences in printing, which will 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.