TS一区,韩国日本三级在线观看,99蜜桃在线观看免费视频网站,国产黄a三级三级三级

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;



色综合色狠狠天天综合色| 性无码大片在线观看| 日韩高清tv一区二区| 日本va欧美va欧美va精品| 国产精品久久久久久久久人妻| 国产性一交一乱一伦一色一情| 国产熟女专区| 亚洲区少妇熟女专区| 澳门美女高清操逼视频| 久久熟女老妈| 国产精品捆绑调教一区二区三区| 色哟永久免费| 免费无码人成视在线观看不卡| 肥白大屁股流白浆| 射精一区二区| 国产亚洲精品aa片在线爽| 日本一色网站| 国产又色又爽又刺激视频| 国产精品久久久久久人妻精品| 欧美无遮挡很黄裸交视频| 丰满人妻日韩无码一区二区不卡 | 拨播拨播永久华人成人免费| 亚洲ⅴ国产v天堂a无码二区| 日本熟妇人妻xxxx| mm1313亚洲国产精品无吗| 日本老妇一区| 成人国产欧美大片一区| 婷婷在线视频| 精品九九视频| 老司机色色一二三区电影| av一二三四| 成人蜜桃av| 国产AV一区二区三区四期| 七七久久桃花影院| 人妻无码专区| 一卡二卡三卡四卡视频区| 丰满老熟妇好大bbbbb| 国产成人欧美综合在线影院| 久久久久亚洲AV成人片玫瑰园| 亚洲综合在线亚洲优优色| 亚洲av无码国产精品久久一|