BOYA BY-WM3D Wireless Microphone OverviewTransmission2.4GHzPolar PatternOmnidirectionalFrequency Response20Hz-20KHz (±3dB)Distortion<0.1%Sampling Rates48kHzBit Depth16BitSignal-to noise ratio75db or moreSensitivity-42dB±3dB (1dB=1V/Pa@1kHz)Operating Distance20m(without obstacle)Power ConsumptionTX: 80mW RX: 60mWWorking TimeTX: 4.5 hours * two timesRX: 8 hours * two timesCharing TimeTX:2 hoursRX:2 hoursCharging Case2 hoursCharging Port(Charging Case)Type-CBattery CapacityTX:100mARX:100mACharging Case1000mAWarranty 6 monthsBOYA BY-WM3D Wireless Microphone in BangladeshIdeal for journalists, YouTube/Instagram creators, TikTok personalities, and vloggers, the BOYA BY-WM3D is an easy-to-use, digital true-wireless microphone system designed to capture clear, intelligible speech to your iPhone/iPad, DSLR/mirrorless camera, or any smartphone/tablet equipped with a headphone jack.The BOYA BY-WM3D 2.4GHz wireless microphone system features one transmitter and one receiver, both of them are compact and lightweight.Ultra-compact Wireless Microphone SystemSmall size & light weight, the transmitter is only 10.5g (0.37oz). And the BY-WM3D is equipped with a charging case that can charge and pair the transmitter and receiver. After one full charge, the TX/RX can continue working for about 4.5/8 hours.Three Interchangeable Connectors Make It UniversalAnd just like the BY-WM3U, the receiver of BY-WM3D also features three interchangeable connectors, two of which are the same as the ones of BY-WM3U, namely TRS and TRRS connector. But its last connector is Apple MFI certified Lightning connector. These three plugs make it compatible with all recording devices with Lightning or 3.5mm input socket.In-built Microphone to Avoid HassleWith an in-built omnidirectional microphone on the transmitter, it is easy to use. After pairing, just connect the receiver with your recording device, pin the transmitter on your collar to get started...