F08V Head Mounted Wireless Microphone with FM Frequency Digital Display for Teachers and Tour Guides

• High-definition digital display frequency, making operation easier and more convenient
• Built-in polymer battery, not only can be recharged and used repeatedly, but also light weight and safe to use
• It can be used for more than 10 hours at a time with a single charge, long battery life
• Super multi-channel optional, no mutual interference
• Mainly for receiving FM radio signals and electronic devices with audio playback functions that can instantly become loudspeakers for use
• Small and exquisite, carry it with you, zoom in anytime, anywhere
• Wide range of uses: teaching, tour guides, promotions, lectures, conferences, karaoke, fan singing, etc.
• The transmit frequency is displayed clearly. When working, the display will automatically turn off, saving you energy
• The appearance is exquisite, and the hand feels comfortable. The "+" and "-" keys can adjust the frequency and volume
• High sensitivity microphone head design with high sound pickup effect

Operation Steps:

• 1. Turn on the main power of the microphone, the screen displays the radio frequency band number.
• 2. Press the "+" and "-" keys to adjust the radio frequency, and select the frequency band number between 87.5MHz~108MHz. (Note: Select a number that does not exist in the local radio frequency band, such as 89.7)
• 3. Turn on the machine with FM radio function, extend the antenna, adjust to FM radio mode, and adjust the radio frequency to the same number as the displayed number. The wireless microphone can be used after the machine is paired with the proportional frequency.
• 4. Put the microphone on your head and speak into the microphone to amplify the sound.

Specification:

• Transmission frequency: 87.5 Mhz - 108Mhz
• Sensitivity: -52dB±1.5dB (0dB=1Pa)
• Directionality: single direction, cardioid direction
• Battery capacity: 300mAh
• Voltage: DC 5V
• Charging time: 1~2 hours
• Output resistance: ≤68 ohm
• Working voltage: DC 3.3V-5V
• Effective distance: 15m
• Wireless distance: about 15-20m/49.21-65.62ft