麻豆tv入口在线看,亚洲国产av无码精品无广告 ,中文字幕精品久久久久人妻红杏1,日韩乱码人妻无码中文字幕

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;



狼狼综合久久久久综合网| 国产精品vⅰdeoxxxx国产| 久无码久无码av无码| 成年丰满熟妇午夜免费视频 | 日韩乱码人妻无码中文字幕久久| 老少交欧美另类| 中文字幕在线亚洲精品| 成人午夜福利视频| 大肉大捧一进一出视频出来呀| 亚洲日本va午夜在线电影| 三年片在线视频中国| 亚洲人成无码网www| 天堂草原电视剧在线观看图片高清| 国产乱子伦一区二区三区| 欧美精品国产综合久久| 亚洲av成人片在线观看| 国产av一区二区三区传媒| 18禁美女裸体网站无遮挡| 在线va免费看成| 4444亚洲人成无码网在线观看| 拍摄av现场失控高潮数次| 亚洲av永久无码精品网站色欲| 欧美内射深插日本少妇 | 午夜福利麻豆国产精品| 日本高清视频www| 强行糟蹋人妻hd中文字幕| 人妻无码中文字幕| 五十路熟妇高熟无码视频| 亚洲精品~无码抽插| 午夜裸体性播放| 四虎影视免费永久在线观看| 午夜家庭影院| 久久人人爽人人爽人人片av高请| 欧美熟妇另类久久久久久不卡| 国产a v无码专区亚洲av| 亚洲乱码日产精品bd在线观看| 夜夜爽夜夜叫夜夜高潮漏水| 黑人巨大白妞出浆| 亚洲综合色丁香婷婷六月图片| 久久棈精品久久久久久噜噜| 亚洲日韩乱码中文字幕|