Wireless FM Condenser Microphone Headset compatible with Teacher Host Speaker

Wireless FM Condenser Microphone Headset for Teacher Host Speaker Easily pairs with all FM-enabled devices such as speakers, megaphones, amplifiers, FM radios, and car audio systems. Large display screen shows frequency; simply match the FM microphone frequency with that of the speaker to begin use. Built-in rechargeable lithium battery provides up to 6–12 hours of operation on a full charge. Transmission frequency range: 87.0 MHz to 108.0 MHz. Suitable for teaching, tour guiding, sales presentations, public speaking, conferences, karaoke, and other applications. Specifications: Material: ABS Dimensions: 6 × 2.2 × 2.2 cm Display: Yes Wireless: Yes Channels: 2 Battery life: 6–12 hours Input voltage: 3.7 V Microphone type: Condenser Output power: 16 mW Amplifier gain: +1 dB to +25 dB Power supply: Built-in 3.7 V / 250 mAh lithium battery Maximum sound pressure level: ≥130 dB (at 1 kHz, THD ≤1%) Frequency response: 30 Hz – 20 kHz Equivalent noise level: ≤35 dB Compatibility: Works with any device featuring an FM radio receiver or FM-compatible speaker with display function. Note: This is a wireless FM condenser microphone only and does not include an audio player. Includes: 1 × Hands-free Wireless FM Condenser Microphone 1 × User Manual (English) 1 × Charging Cable