<br>BY-WM3 is a 2.4GHZ wireless microphone system, all-inclusive solution for making it ideal for capturing audio clear, intelligible audio fidelity to your smartphones, tablets, DSLR cameras, consumer camcorders, PCs etc <br> <br>The charging case can charge the transmitters and receivers anywhere for a longer working time and provide 1000 mAh of charging power, and it's rechargeable via a USB-C port when its battery runs out. <br> <br>Easy-to-carry feature is designed for videographers, content creator, avid vlogger. When you are plugged in and powered on, it's set and ready so your focus can stay on your content <br> <br>Features <br> <br>2 . 4 GHZ Wireless Transmission Technology <br>One-touch Pairing , Fast Focus on Recording Subject <br>Lightweight and Low-profile <br>DesignFast-charging with Charging Case, Longer Continuous <br>Time for Recording <br>Alternative Types of Adapter <br>Muting Function <br> <br>Specification <br> <br>Transmission Type: 2 . 4GHZ <br>Frequency Response: 20-20kHz <br>Distortion: <0.1% <br>Sampling Rates: 48 kHz <br>Bit Depth:16 Bit <br>Signal-to-noise ratio: 83 db <br>Sensitivity: -42 dB <br>Operating distance: 20m ( without obstacle ) <br>Working Time: TX : 4.5 hrs RX : 8 hrs <br>Charging Time: TX : 2 hrs RX : 2 hrs Charging Case : 2 hrs <br>Charging Port ( Charging Case ): Type-C <br>Battery Capacity: TX : 100mA RX : 100mA Charging Case : 1000mA <br>Size: Charging Case : 120*77 * 30.5mm ( 4.7*3*1.2" ) <br>TX: 51.8 * 15.6 * 18mm (2*0.6*0.7") <br>RX: 54*15.6*15.6mm ( 2*0.6*0.6 ) <br>Weight: 129g ( 4.5oz ) <br> <br>Packling Lists <br> <br>BY-WM3D <br> <br>Charging Case <br>Clip-on Minature Transmitter <br>Professional Compact Receiver <br>MFI Certifed Lightning Adapter <br>3.5mm TRS Adapter <br>3.5mm TRRS Adapter <br>Foam Windshield <br>Fur windscreen <br>30cm / 11.8 " type-c to USB-A Charging Cable