Features: Plug-and-play wireless microphone system ideal for consumer, computer, PA, and DJ environments Compatible with speakers, computers, DJ mixers, TVs, DVD players, and receivers Works with any device featuring a ¼” or ⅛” mic input Single-signal 2.4 GHz wireless band for stable, low-latency performance Digital sound processing for clear audio reproduction Dynamic cardioid sensitivity pattern for precise audio capture and ambient noise reduction USB-powered receiver allows for flexible power options without losing the USB port Female USB port enables connection of additional USB devices Comes with a ¼” to 3.5 mm adapter for expanded compatibility Operating Range: Up to 150 ft Transmitter Specifications: Frequency Range: 2.4 GHz Frequency Response: 20 Hz – 30 kHz Working Current: 45 mA – 55 mA Charging Current: 450 mA Mode: Quartz Crystal Oscillation Power Supply: Rechargeable 18650 Lithium Battery (3.7 V) Voltage: Battery