WIDE APPLICATION: The wireless handheld microphone is suitable for recording studios, karaoke, radio, teacher guidance, live performances, conferences, churches, schools, auditoriums, parties, etc LONG DISTANCE TRANSMISSION: Our handheld wireless microphone adopts UHF technology, long distance wireless transmission, can arrive a transmission distance of 20m/65.6ft. WIDE FREQUENCY RANGE: This UHF handheld wireless microphone has a wide frequency range, less interference, and easily and perfectly displays your voice. SUPERIOR SOUND: The UHF mic have precise and complete electronic circuit control, capable of capturing rich, mellow sound from the sound source directly in front of the microphone. MATCH USAGE, USB POWER SUPPLY: Our UHF wireless microphones can be used with 3.5mm and 6.35mm female interface devices; USB receiver power is provided by USB chargers, powbank, etc.