1. Channel: mono2. Function: voice control, call function3. Features: bluetooth 4.2, Intelligent noise reduction, wide compatibility, high-definition call, long-lasting battery life, hearing protection, pleasant sound quality, full ear coverage, adjustable head beam4. Battery capacity: 120mah5. Transmission range: 10 meters6. Life time: 6 hours7. Talk time: 4-5 hours8. Charging time: 2.5 Hours9. Bluetooth version: 5.010. Plug type: usb11. How to use: head-mounted12. High-quality materials, beautiful and durable: the built-in speaker has a better sound quality13. Telescopic head ring: free to adjust and stretch14. Soft earmuffs: effective sound insulation, reducing sound leakage, built-in high-quality sponge for comfort and ventilation15. Hd sound quality, comfortable to wear: efficient bluetooth pairing16. Single-point noise reduction microphone: the threaded design at the turning point inside the microphone rod makes it easy to adjust the position of the microphone and accurately locate the voice call more smoothly17. Rotating straw: ergonomic design, lengthened microphone boom, 360 card position rotation and precise positioning, long-lasting smooth voice outputspecification: package weight one package weight 0.10Kgs 0.23Lb one package size 18cm * 6.5Cm * 21.6Cm 7.09Inch * 2.56Inch * 8.5Inch qty per carton 288 carton weight 30.00Kgs 66.14Lb carton size 50cm * 50cm * 60cm 19.69Inch * 19.69Inch * 23.62Inch loading container 20gp: 177 cartons * 288 pcs 50976 pcs40hq: 412 ca...
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