factory wholesale usb headset with microphone for study
- Category: >>>
- Supplier: Shenzhen InterEar Intelligent Technology Co. Ltd.
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Product Overview
Description
factory wholesale usb headset with microphone for study
Product Description
HEADPHONE SPECIFICATION:
| Driver unit | DynamicΦ30mm(stereo) |
| Impedance | 32 Ohms ±15% |
| Speaker Frequency response | 20 - 20000Hz |
| Max. input power | 30mW |
| Speaker Sensitivity | 103dB /mW±3 dB |
| Mic Specification | 9770 omni-directonal |
| Sensitivity | -34±4dB(0dB=1V/Pa,1KHz) -54±4dB(0dB=1V/ubar,1KHz) |
| Plug | USB |
| Cable length | 1.8 m |
| USB chipset | SSS1629/other chipset |
HEADPHONE FEATURE
1. It is very small ,mini , light , soft ,comfortable and breathe
2. because of the epidemic situation , it is good choice to use this usb headphone to have a class for kids
3. ABS environmently material, feel save to let kids and customer use
4. Good dynamic driver , very soft headphone ,good quality for you to use
5. We use high-end usb chipset SSS1629 , we imported them from Taiwan , it is compatible with many series of MAC and Windows.
6. If you need cheap model , we can change cheap solution
Packaging & Shipping
Our Services
RELIABILITY SPECIFICATION:
| ITEMS |
METHOD |
STANDARD |
| Cable Function Test |
By Swaying: 100g force, +/-90degree, 30times/minutePass |
- more than 3000 times; |
|
Spay and silk screen printing test |
1.Scrubbing 30 times, cloth damped
alcohol, 300g force 2.Cut 10 grid (1mm), then pull with 3mm adhesive tape |
No paint/ink break away No one-piece paint/ink break away |
| Temperature test | testing condition:55℃ 1 hour;25℃ 1 hour;-10℃ 1 hour,2 cycles | The frequency response range does not exceed 4 dB than the pre-test data (test will be done after 2 hours in a 25 ° C environment) |
| so on | ......... |
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