1. Wireless handheld microphone with karaoke voice effect, plug and play design, wide frequency range, reduced interference, ideal for clear vocal performance. 2. Features electronic circuit control to capture rich and full sound from directly in front of the microphone. 3. Suitable for various occasions including karaoke, live performances, conferences, churches, schools, toriums, and parties. 4. USB receiver supports multiple devices with broad application compatibility. Device includes USB and microphone interfaces for easy connection and use. 5. Stable wireless signal with long-distance reception up to 50 meters in open space without strong interference. Delivers consistent performance with no noise at fixed frequency and strong anti-interference capability. Compatible with equipment featuring 3.5mm or 6.35mm microphone input. Name: Wireless Microphone Polar Pattern: Cardioid Battery Life: 3-6 hours Signal-to-Noise Ratio: 75dB Frequency Response Range: 60Hz - 15kHz Color: Black Material: Plastic Package Contents: 2 x Wireless Microphone 1 x o Cable 1 x USB Receiver 1 x Adapter Note: Light reflection and display differences may cause slight color variation between image and actual item. Measurement allowance is +/- 1-3cm.