Features: Experience clear sound with 2.4G Wireless Microphones , featuring automatic pairing and 2mode for handheld Microphones. high sensitivity no direction limitation, and long battery, this Microphones ensures superior Sound and comfort during extended wear. for teachers, stage speakers, fitness instructors, and Tours guides, this wireless Microphones to professional who require communication. Enhances your voice in any setting, from outdoor and classroom lectures to fitness guided tours, with the impressive 40M transmission Ranges and sound reproduction of device. With easy USB charging, S/N ratio for noise reduction, and included accessories for immediate, this Microphones is ready to elevates your speaking engagements and presentations. Specifications: Materials: ABS Length: 65mm Frequency response: 50Hz-20KHz Impedance: 2.2KΩ Microphones head size: 9.7X4.5mm Sensitivity: -32DB ± 3DB (0dB=1V) Directionality: Full directional (can also be single directional or double directional) Plug: 3.5mm straight, gold-plated Channel: 2pole , 3pole stereo, 4pole pin Accessories: Comes with 1 cover Applicable: Wireless presenters, 2.4G Microphones, Amplifiers, sound card Package Includes: 1PC Wireless Microphones note: Please allow 0-1cm error due to manual measurement. make sure you not mind before bid. Due to the differences between different monitors, the picture may not reflect the actual of the item. Thank you!