Brand - Boya, Model - Boya BY-BMW700, Type - Omnidirectional, Connectivity - Wireless, Signal to Noise Ratio (dB) - 86dB, Sensitivity (dB) - -42dB, Battery - 2 AA/1.5V Batterires (Transmitter), Operating Range - 8 Meters, Plug Type - USB, Cable Length (ft) - 6.6 Ft, Weight (Kg) - 285gm (Tramsmitter), 062gm (Receiver), Color - Black, Feature - Omnidirectional conference microphone, Ideal for surface-mounted applications, Enhanced speech Intelligibility, Low-profile and professional design, Improved sensitivity and signal to noise ratio, Plug and play operation, No drivers needed, Muting function available, 2m (6.6ft) USB cable, Pick-up sound at 10m(32.8ft) radius, with 360-degree coverage, Others - Frequency Band: 2.4GHz (2400-2483MHz), Power requirements??Receiver: powered by USB-A devices, Consumption power: (Transmitter) L3.0V/60ma, (Receiver) 5.0V/140ma, Pick-up range: 10m (32.8ft), Dimensions: 133 x 82 x 75mm (Transmitter), 88 x 82 x 27mm (Receiver), Specialty - 2.4GHz Wireless Conference Microphone, Ultimate boundary microphone system which consists of one condenser microphone and USB wireless receiver, Easy to set up and operate, it is ideal for video conference, seminars, corporate events, Receiver can be connected to a desktop or laptop computer, The Transmitter can pick up sound source within 10m radius range It produces a natural and clear sound for better recording experience, Part No - BY-BMW700, Warranty - 1 Year, Country of Origin - China, Made in/ Assemble - China