The BOYA BY-WM3U is a 2.4GHz wireless microphone system, which is of innovative design with buit-in microphone on the transmitter. The storage box of BOYA BY-WM3U is also where to paring and charging the transmitter and receiver. After the storage box is fully charged, it maximum allow 2 times full charging for the transmitter & receiver, and every time charging maximum support the transmitter / receiver to continue working about 4.5 hours / 8hours.

With it's tiny size, but powerful functions, BY-WM3U is ideal for daily vlogging, live streaming and interview, greatly improve sound recording quality on the smartphones, PC or DSLRs.

Features:
• 2.4GHz transmitting technology
• Included with Type-C, 3.5mm TRS & TRRS adapters
• Interchangeable design between different adapters to the receiver
• Compatible with most Android Type-C smartphones, tablets, Windows/ Mac PC, iPad Pro Macbook Pro, DSLRs, camcorders, recorders etc
• Storage box is also where to paring and charging the transmitter and receiver.
• 1 time full charging support the transmitter / receiver to continue working 4.5 hours/ 8 hours.

Specifications：

• Transmission Type: 2.4GHz
• Polar Pattern: Omnidirectional
• Frequency Response: 20Hz-20KHz (±3dB)
• Distortion: ＜0.1%
• Sampling Rates: 48kHz
• Bit Depth: 16Bit
• Signal-to noise ratio: 75db or more
• Sensitivity: –42dB±3dB (1dB=1V/Pa@1kHz)
• Operating Distance: 20m(without obstacle)
• Power Consumption: TX: 80mW RX: 60mW
• Working Time:

  TX: 4.5 hours * two times

  RX: 8 hours * two times

• Charing Time:

  TX:2 hours

  RX:2 hours

• Charging Case: 2 hours
• Charging Port(Charging Case): Type-C
• Battery Capacity:

  TX:100mA

  RX:100mA

• Charging Case: 1000mA
• Size:

  Charging Case:1207730.5m(4­.731.2")

  TX:51.815.618mm(20­.60.7")

  RX:5415.615.6mm(20­.60.6")

• Weight:

  TX+RX+Charging Case: 129g (4.5 oz)

  TX：10.5g (0. 37 oz) RX：9.5g (0. 33 oz)