Boya BY-WM3U 2.4 GHz Wireless Tie Pin Microphone for USB-C Android & iPhone

The Boya BY-WM3U is a compact 2.4 GHz wireless tie pin microphone system designed for use with smartphones, tablets, DSLR cameras, camcorders, laptops, and audio recorders. It operates on the 2.4 GHz frequency band and features both a transmitter and receiver with compact housings, making it ideal for instructional videos, vlogs, interviews, and similar applications.

Wireless Charging Case

The system includes a wireless charging case that not only charges the transmitter and receiver but also serves as a connection hub. The case can store the supplied adapters and windscreen, enhancing portability and convenience. The entire set weighs only 129 grams, with the transmitter and receiver weighing 10.5 grams and 9.5 grams respectively. Both units are constructed from high-quality plastic.

Reliable Connection

The BY-WM3U is suitable for both indoor and outdoor use. While electronic devices, metal objects, and physical obstacles such as walls, ceilings, and windows can affect signal quality, the system is designed to maintain a stable connection in typical usage scenarios.

Versatile Compatibility

The BY-WM3U supports fast switching between multiple adapters, including USB-C, 3.5mm TRS, and 3.5mm TRRS, making it compatible with a wide range of devices. Both transmitter and receiver feature built-in rechargeable batteries that are charged via the included charging case.

Application

This wireless microphone kit is a complete "Reporter-kit" that is easy to use and discreet during operation. The receiver connects to the target device using one of the supplied adapters, while the transmitter with integrated microphone clips onto clothing, allowing free movement without interference.

Charging and Battery Life

• The charging case contains a 1000mAh battery capable of charging the transmitter and receiver twice, enabling charging on the go without a power source.
• Full charging of transmitter and receiver takes approximately 2 hours when fully depleted.
• The transmitter provides approximately 4.5 hours of operation per full charge.
• The receiver offers approximately 8.5 hours of operation per full charge.
• Charging the case itself takes about 2 hours via USB Type-C (DC 5V).

Included Adapters

• USB-C Adapter: Compatible with smartphones and tablets.
• 3.5mm TRS Adapter: Suitable for DSLR cameras, laptops, camcorders, and audio recorders.
• 3.5mm TRRS Adapter: For smartphones and tablets without USB-C ports.

Technical Specifications

• RF Modulation: GFSK (Gaussian Frequency Shift Keying)
• Frequency Band: 2.4 GHz (2400-2483 MHz)
• Channels: 48
• Frequency Response: 20 Hz to 18 kHz (±3 dB)
• Signal-to-Noise Ratio: ≥ 75 dB
• Distortion: ≤ 0.1%
• RF Output Power: 10 mW
• Earphone Output Power: 30 mW (16 Ω)
• Reception Sensitivity: -98 dBm
• Operating Range: Up to 20 meters (line of sight)
• Power Requirements:
  • Charging Case Battery: 1000 mAh
  • Transmitter Battery: 100 mAh
  • Receiver Battery: 100 mAh
• Battery Life:
  • Transmitter: Approximately 4.5 hours
  • Receiver: Approximately 8.5 hours
• Charging Time: Approximately 2 hours for charging case, transmitter, and receiver
• Charging Method: Transmitter and receiver charge inside the charging case via USB Type-C (DC 5V)
• Communication: One-way

Dimensions and Weight

• Transmitter: 51.8 x 15.6 x 18 mm (W x H x D), 10.5 g (including battery)
• Receiver: 54 x 15.6 x 15.6 mm (W x H x D), 9.5 g (including battery)
• Charging Case: 120 x 30.5 x 77 mm (W x H x D), 129 g (including battery and accessories)

Package Contents

• 1x Tie pin miniature transmitter with built-in microphone (TX)
• 1x Receiver (RX)
• 1x Wireless charging case
• 1x USB-C adapter
• 1x 3.5 mm TRS adapter
• 1x 3.5 mm TRRS adapter
• 1x USB-C to USB-A charging cable (30 cm)
• 1x Wind cap
• 1x User manual
• 1x 3-year warranty card
• 1x Color packaging