boya's by-hm2 is a handheld microphone for smartphones and computers. record sound in high quality, both for single audio recordings and videos. three cables are included: - usb-c to lightning: connect the microphone to your iphone or ipad - usb-c to usb-c: connect the microphone to your modern android smartphone or modern pc/mac - usb-c to usb-a: connect the microphone to your traditional pc/mac Simply insert the microphone into the microphone holder. on the underside there is a thread to attach the microphone holder to the supplied table stand. adapters are also included so that you can mount the microphone on any tripod with 1/4", 3/8" and 5/8" male threads. During recording, you can listen in live by connecting earphones or headphones to the 3.5 mm port. the volume of the earplugs and the gain can be adjusted via two rotary knobs. batteries are not required; the by-hm2 is powered by the device to which the microphone is connected. you switch on the by-hm2 with the on/off button, after which an indicator light will light up. the supplied cable protector ensures that no cable breakage occurs with the connected cables. on the way, you can easily take the by-hm2 with you in the supplied storage pouch. Usage by-hm2 If you want to capture calls, interviews or voice-overs in high quality with your smartphone or computer, the by-hm2 is an ideal solution. voice sound is recorded with crisp clarity and very little background noise. so whether you're filming a presentation and want to capture the sound directly beneath the video or recording a voice-over with your laptop, the by-hm2 is universal.