亚洲成av人片不卡无码久久,亚洲国产精品嫩草影院久久,久久精品夜色噜噜亚洲a∨,国产精品丝袜亚洲熟女

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;



浓毛老太交欧美老妇热爱乱| 99久久婷婷国产综合亚洲| 性饥渴少妇av无码毛片| 久久精品第一国产久精国产宅男66| 少妇极品熟妇人妻200片| 国产精品美脚玉足脚交| 人妻少妇乱子伦精品| 色综合久久网| 国产人妻大战黑人20p| 天天av天天翘天天综合网色鬼| 久久丫精品忘忧草西安产品| 国产午夜亚洲精品久久| 午夜精品一区二区三区免费视频 | 久久久久亚洲精品无码网址色欲 | 亚洲国产精品一区二区成人片不卡| 免费A级毛片在线播放不收费| 亚洲爆乳成av人在线视水卜| 欧美大胆丰满熟妇xxbb| 国产开嫩苞视频在线观看| 成年无码动漫av片在线尤物网站| 青草av久久一区二区三区| 精品人妻av一区二区三区| 末发育娇小性色xxxxx视频 | 无码人妻少妇色欲av一区二区| 成人做爰视频www网站| 少妇富婆高级按摩出水高潮| 国产精品欧美一区二区三区不卡 | 国产成人a∨麻豆精品| 人人妻人人澡人人爽人人精品av | 一区二区三区无码不卡无在线| 日韩精品无码免费专区网站| 狠狠亚洲色一日本高清色| 国产三级久久久精品麻豆三级| 少妇邻居内射在线| 亚洲国产精品综合久久2007 | 97资源共享在线视频| 粗大猛烈进出高潮视频免费看| 国产成人久久精品二区三区| 国产乱沈阳女人高潮乱叫老| 又嫩又硬又黄又爽的视频| 国产成人麻豆亚洲综合精品|