The WMU99 is a wireless handheld UHF microphone with a USB powered receiver. The receiver plugs into any standard USB power port, sports a 1/8 output and makes a great addition to any single unit speaker system with a USB input. To connect to standard 1/4 microphone inputs, the WMU99s USB receiver comes with a 1/8 to 1/4 cable. For additional connectivity the WMU99 also comes with a 1/8 to 1/8 cable that enables connection to computers and other devices without standard microphone input ports. For maximum freedom, the WMU99 boasts an impressive wireless range of 150 ft. In addition, the WMU99s wireless USB receiver features a female USB input port that enables you to connect multiple devices to the same USB input port. Weighing in at just two pounds, the WMU99 is portability embodied and works well with any portable setup. This 8 Inch Rechargeable Bluetooth LED Speaker comes with a peak power of 1000 watts. It has a built-in rechargeable battery which allows you hours of continuous music playing. The TWS (True Wireless Stereo), One Bluetooth device can connect with 2 speakers at the same time for True Wireless Stereo Sound. Bluetooth compatibility allows for wireless connection to any A2DP stereo Bluetooth device and it has Bluetooth range up to 30 ft. Features: Plug-and-play Wireless UHF stick mic is ideal for Consumer, Computer, PA and DJ environments Can be used with speakers, computers, DJ mixers, TVs/DVD players, and receivers Anything that has a or ? Mic Input UHF high band signal Digital sound processing Outputs: ? 1/8 to 1/4 Cable Included 1/8 to 1/8 Cable Included Powers off a USB Drive ( Computer, Mixer, Amplifier, AC Adapter) without losing the USB drive Female USB port allows you to connect another USB devices to the same port Frequency stability: 0.005% Modulation mode: FM Dynamic cardioid sensitivity pattern for precise audio capture and ambient noise reduction Maximum deviation range: 25kHz with limiting compressor Frequency Response: 40Hz-20kHz Signal to noise ratio: 100dB Total harmonic distortion: 0.5% Audio dynamic range: 90dB Wireless range: 150 ft Single handheld microphone Available in five different sets allowing you to use up to 5 microphones in one location