Color: Black Microphone: Sensitivity: -27dBFS SNR: 64.3dB(A) Pickup Distance: 3 Meters Speaker: Rated Power: 2W Resistance: 4Ω Battery: Built-in 3.7V, 3000mAh Battery Power: 5V Item Size: 13 * 13 * 3.5cm/ 5.1 * 5.1 * 1.4in Item Weight: 335g/ 11.8oz 360 ° Pickup: Equipped with 6 omnidirectional microphones, 360 ° voice pickup, and clear and natural sound can be received within the range of about 30 square meters, with a pickup radius of 3 meters. High Fidelity Sound Quality: Built-in high fidelity speaker, the sound is real and full. High efficient and intelligent DSP chip, effectively echo and reduce background noise. Long Endurance & Touch-Control: Built-in 3000mAh battery, once full charge can be used for 8 s. Touch-control, support BT connection, microphone mute, volume control and -click answer, easy to use. Dual Connection Mode: With BT module, easy to connect various BT devices, farewell to the cumbersome wiring. USB connection, plug and play, rapid deployment for calls. Voice Location: Adopt advanced sound source positioning technology, automatic detection of speaker's position, focusing on human voice, clear voice reception. Wide Application: Compatible with 7/8/10, Android, OS, support Zoom, Skype, WebEx, Cisco and other conference software. It is ideal for video conference, online course, live streaming, gaming, daily chatting, etc. Packing List: 1 * Conference Microphone 1 * USB Cable The speaker supports U disk and TF card.Dual speaker stereo sound.