Microphone UHF Wireless Headset and Handheld 2 in1 Mic for Voice Amplifier Stage Speakers Teach

1. Frequency range: 2.400GHZ-2.4835GHz 2. Sensitivity: -35dB 3. Battery: 450mAh 4. Power supply mode: built-in lithium battery 5V 5. Use time: 15 hours 6. Use distance: 30 meters 7. Transmitter size: 80mm 8. Transmitter weight: 30 grams 9. Microphone direction: one-way 10. Connection method: 2.4G technology 11. Wide range of compatibility: amplifiers, buses, speakers, mixers/sound cards, home theaters, sound bars 12. Automatic pairing and connection when booting up without frequency pairing 13. High-sensitivity condenser sound head, with noise reduction sponge, clear sound 14. Long-lasting and durable, the battery can be recharged 15. Small and portable, easy to use