2Pcs Headset Microphone, Flexible Wired Boom for Voice Amplifier, 3.5mm Connector Jack Headset Mic Specifications: Microphone: 6.0 x 5.0 mm Plug diameter: 3.5 mm Headphone cable: about 1.2 m Size: approx.16 x 14 x 4 cm/ 6.30 x 5.51 x 1.57 inches Communication Connection Mode: Wired Material: Metal + Plastic Color: Black Voltage: 2V Sound Channel: 2.0 Recording Function: No Directionality: Single point Sensitivity: -52dB ± 3dB Impedance: =2.2kO Frequency range: 100-16kHz Signal to noise ratio: greater than 60dB Features: -These headset microphone can give you a loud, clear, high fidelity voice. No howling. -Small size, light weight, easy to carry, flexible, adjustable, fashion and cool, with good workmanship. -Ergonomic Design, flexible boom to fit your head. The microphone arm can be bent to adjust the position and easy to display onto your head. -It’s friendly to large head person. With thickened sponge pad, comfortable to wear. -It is suitable for teachers in class, stage performance, singing, dancing, etc. Package Include: 2 x 3.5mm Headset Microphone Notes: Not suitable for smartphones/iPads. It can be plugged into a PC, just make sure your PC has the correct jack.?Wide Application?Applicable to teaching amplifiers, pocket machines, computer teaching, stage performance, tour guides, market promotion, conference speeches, singing with dancing, etc. It can also be adopted on Christmas and other festivals, holidays, and family reunion parties, bringing much more joyful voice. ?Easy to Carry?Designed for TV presenters, broadcasters, singers, lecturers, musicians, actors, and other situations requiring minimum microphone with hands-free operation. Our head mic is small in size and lightweight, comfortable to wear, easy to store, and portable to carry, without taking up too much space. ?Thoughtful Design?The headset mic was made of high-quality ABS material that is safe, lightweight, adjustable, and fashionable, with no howling during usage, and the interface recording is clear. The microphone arm can be bent to adjust the position, is easy to wear on the head, and is suitable for most sizes. The orientation of the microphone is very clear, avoiding wearing it in the opposite direction. Convenient to use by plugging the microphone directly into the voice amplifier. ?Comfortable and Durable? The head hoop is very flexible and is coated with rubber. The ergonomic design makes it fit tight, comfortable, and doesn't fall off constantly. The hands-free design gives you freedom of movement for energetic performance for any occasion and provides loud, clear, high-fidelity sound. They hold up well to sweat and the usual wear and tear that comes from lots of movement. ?Package Contents? Comes with a 2-pack headset microphone with a 3.5mm jack connection and 1.2m audio line. They are specifically designed for voice amplifiers, enough to satisfy your use and replacement needs.