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Ships within 48 hours · Estimated delivery Aug 15 - Aug 20
40HQ: 814 cartons * 50 pcs = 40700 pcs
- 90 mA lies at +17dBm
- OPP (Over Power Protection): 0
Motion detection alarm can be set
software-adjustable
UHF-9 Headset LED Wireless Noise Cancelling Earphone, Earphone % JCID 40HQ: 814 cartons * 501. Plug diameter: 3. 5mm 2. Wire length: 3 m 3. Horn diameter: 40 mm 4. Sensitivity: 10dB 5. Frequency response range: 20 20000Hz 6. Distortion rate: less than 1% 7. Impedance: 32 8. Signal to noise ratio75dB 9. Frequency Response: 30 20,000Hz 10. Headphone power supply: built in 600MaH rechargeable lithium battery 11. The headset must be connected to the transmitter for use 12. Application of active noise reduction technology. The signal to noise