精品一二三区久久aaa片,中国浓毛少妇毛茸茸,亚洲精品国产美女久久久,18精品久久久无码午夜福利

Home > Product > Accessories > Headset ESH12
Receiver:
Drive form: moving coil
Outer diameter: φ 27mm neodymium iron canopy magnetic horn
Frequency response: 300HZ-3.0KHZ
Sensitivity: 108±3dB(at 1KHz 1mw)
Impedance: 150 Ω+/-20%


microphone

Directionality: single point
Size: φ 6* 2.7mm
Frequency range: 50HZ ~ 3.0kHZ
Sensitivity: -40 ±3dB
Impedance: 2.2k ohm


Can be equipped with 4P4C crystal head QD line, 3.5mmPC;
Optional sound control box, with excellent mute effect, the function of adjusting the size of the earpiece;
The adjustable arm can be rotated in the range of 330°, which can be adjusted according to the comfort and the clarity of the call;
The range between the earpiece and the adjusting rod can be adjusted by 180°, and the adjusting range between the adjusting rod and the headline is 60mm;
The headphone card can be adjusted freely, which is more suitable for your wearing and gives you a more comfortable call enjoyment;
The microphone holder adopts flexible flexible hose, perfect sound quality, accurate positioning, sturdy and durable;
High-quality appearance and texture, extremely comfortable to wear, ultra-lightweight professional telephone headset;
Provide international standard hearing protection, take care of your health at all times;

Let you free your hands and feel free communication, making your conversation easier and more efficient;



主站蜘蛛池模板: 久久九九国产精品怡红院| 久九九久视频精品免费| 欧美大屁股喷潮水xxxx| 大又大又粗又硬又爽少妇毛片| 日本高清aⅴ毛片免费| 久久久久久久久久久大尺度免费视频| 日韩精品无码免费毛片| 亚洲女人被黑人巨大进入| 疯狂的欧美乱大交| 国产免费又色又爽粗视频| 疯狂撞击丝袜人妻| 久久久久人妻一区视色| 国产色综合天天综合网| 五月天精品视频在线观看| 亚洲中文字幕无码中文| 国产精品亚洲一区二区在线观看| 亚州少妇无套内射激情视频| 亚洲最新无码中文字幕久久| 国产精品99精品久久免费| 日韩少妇内射免费播放18禁裸乳| 99久久精品国产免费| 国产欧美日韩| 麻豆画精品传媒2021一二三区| 成人免费视频无码专区| 欧美奶涨边摸边做爰视频| av色综合久久天堂av色综合在| 亚洲精品国产v片在线观看| 国内精品久久久久影院嫩草| 五月丁香六月狠狠爱综合| 亚洲成av人片在线观看无码不卡| 男女裸交免费无遮挡全过程| 中文字字幕在线精品乱码| 国产精品久久久久久亚洲影视| 久久久久中文伊人久久久| 亚洲 自拍 另类 欧美 综合| 亚洲毛片无码不卡av在线播放| 国产精品 人妻互换| 中文字幕在线无码一区二区三区| 香港三日本三级少妇三级视频| 亚洲精品高清无码视频| 无码h黄动漫在线播放网站|