T40 wireless lavalier microphone with 2 heads type-c and type lighting

1. Solution Brand: Jerry
 2. Input voltage: 5V
 3. Battery capacity: 80mAh lithium battery
 4. Charging compartment battery: 600 mAh
 5. Battery life: 4-5 hours
 6. Signal-to-noise ratio: 64 dBM
 7. Transmission delay: 30MS
 8. Sensitivity: -42 dB
 9. Frequency response range: 20- 20 KHz
 10. Transmission distance: barrier-free 40m-50m

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