The BOYA BY-BMM300 is a loudspeaker omni-directional conference microphone suitable for many circumstances such as video conferencing, online teaching, online gaming and more. Portable and compact body, you can take it anywhere and easily confer anytime, anywhere. Features: Omni-directional conference microphone with the loudspeaker is designed for video conferencing, online teaching, online games, live streaming, etc. All necessary cables are set up, the microphone can work with smartphones, tablets, PCs, laptops, MP3 players and other devices . Capable of picking up sound within 2m, with 360-degree voice coverage, can receive all voices simultaneously within effective range. Built-in speaker and built-in volume gain control button to make sure phone call / videoconference content is heard. Compact and portable, you can take the microphone anywhere and easily start a conference at any time. Technical data: Converter: condensate z Polar pattern: omnidirectional Frequency response: 40Hz-15kHz Output power: 2.5W Power requirements: built-in lithium battery or DC 5V / 500mA Charging time: Approx. 2.5h Built-in battery life: Approx. 4.5h Reach range: 2m / 6.6ft radius Cable length: 1.2m / 3.9ft Product size: 9.5 * 3.5cm / 3.7 * 1.4in Product weight: 200g / 7oz Packing list: 1 * Microphone 1 * 3.5mm TRRS audio cable 1 * USB Type-C to USB-A cable 1 * USB Type-C to USB Type-C cable; 1 * User Manual (English and Chinese ) "