boya by-wm2g wireless lavalier microphone system compatible with iphonex 8 8 plus 7 6 smartphone,canon 6d 600d nikon d800 d3300 sony a7 a9 dslr gopro hero4 hero3 hero3+ action cameras boya <br> <b>clarity of audio pick-up</b><br> the by-wm2g is an 2.4ghz omnidirectional wireless lavalier microphone system that will pick up the main sound from any direction. <br><br> <b>wide compatibility</b><br> the recevier is connected with 3.5mm audio plug which is compatible with most device such as dslr cameras from canon, nikon, sony and also working with ios iphone, ipad, android smartphone;hero 3 3+ 4 <br><br> <b>friendly design</b><br> compact design, lightweight body for easy carry around or clip on the belt power supplied by aa battery(not included) <br><br> <b>specification</b><br> rf modulation: gauss frequency shift keying <br>frequency band: 2.4ghz (2405-2478mhz) <br>frequency response: 35hz-14khz±3db <br>signal/noise: 76db or more <br>distortion: 0.1% or less (32ω,1 khz,65mw output) <br>rf output level:2 mw <br>earphone output level: 32ω,65mw <br>reception sensitivity: -85db +/- 3db / 0db=1v/pa,1khz <br>audio input connector: 3.5mm mini jack <br>receiver: 60 x 86 x41 mm <br>transmitter: 60 x 86 x28 mm <br><br> <b>package</b><br> 1* by-wm2g transmitter and receiver <br>1* lapel mic <br>1* 3.5mm to trs output cable <br>1* 3.5mm to trrs output cable <br>1* 3.5mm to mini usb output cable <br>1* cold-shoe mount <br>1* hard case <br>1* user guide <br>1* foam protector <br>windshield windscreen (free gift )<br>power requirements: 1.5v dc (one aa size battery)(not included)