Stable UHF signal State-of-the-art UHF technology with a wireless range up to 200 ft. Provides a stable signal without delay, anti-whistling, anti-interference, and no distortion. Professional sound quality Features noise reduction technology and a professional audio processor that adjusts high and low frequencies to ensure clear sound transmission and an enhanced singing experience, ideal for various occasions. Easy to install and use No software download required. Plug and play operation with no pairing needed. Compatible with a wide range of devices that have 3.5 mm and 6.35 mm audio inputs. Not compatible with mobile phones or computers. Allow a few minutes for the receiver and microphone to pair before first use. Long-lasting performance Designed for power-saving operation. Receiver provides up to 6 hours of use after 2 to 3 hours of charging. Rechargeable batteries are recommended. Wide range of applications Suitable for studio recording, karaoke, broadcasting, teaching, singing, and meetings. High compatibility with devices featuring 3.5 mm and 6.35 mm interfaces. USB receiver supports multiple audio devices. PRODUCT PARAMETERS Color: Black Material: Plastic + metal Frequency range: Fixed frequency Working distance: 50M Distortion level: Low Product size: Microphone 245 mm, Receiver 115 mm Product weight: Microphone 168 g, Receiver 55 g Output power: >10 dBm Operating temperature: -10C to 50C Operating voltage: 3.7 V Battery: 6-12 V/~150 mA Power supply: 2 x AA batteries (not included) Audio dynamic range: >100 dB Frequency range: 30 Hz - 15 kHz Stable UHF signal: Wireless range up to 200 ft, no delay, anti-whistling, anti-interference, 15 adjustable UHF channels, no distortion Sound processing: Dual microphones with noise reduction technology; audio processor adjusts high and low frequencies for efficient sound transmission Compatibility: Works with devices with 3.5 mm and 6.35 mm connectors, active speakers, amplifiers, mixing consoles, audio interfaces, and more Battery life: Receiver offers up to 6 hours of use after 23 hours of charging, energy efficient Application scenarios: Ideal for recording studios, karaoke, broadcasting, teaching, singing, and meetings