Outdoor Professional Noise-cancelling Wireless Lavalier Microphone Type-C+External Microphone Lenovo Battery type: 18650 lithium ion

Battery type: 18650 lithium ion battery 3000mah

100-240V broadband voltage

fine and frosted texture on the surface

protects eyes

Outdoor Professional Noise-cancelling Wireless Lavalier Microphone Type-C+External Microphone Lenovo Battery type: 18650 lithium ion1. Channel: 2. 1 2. Input voltage: 5V 3. Signal to noise ratio: 75dB 4. Bluetooth version: 2. 4G 5. Battery life: more than 12 hours 6. Microphone type: condenser 7. Shell process: ABS over UV 8. Stable signal, barrier free transmission 9. The transmitter can be equipped with an external expansion microphone 10. Frequency response range: 20Hz 20KHz 11. High definition LED display real time display 12. Pointing feature: omnidirectional no pointing 13.