Tai Nghe Nhét Tai 4-pin Rj9 Có Mic Chống Ồn tại Lotte Market

Giới thiệu Tai Nghe Nhét Tai 4-pin Rj9 Có Mic Chống Ồn tại Lotte Market

First, the use of the environment
1. Ambient temperature: -10°C ~ +40°C
2. relative humidity: 10% ~ 95%
3. Atmospheric pressure: 86 ~ 106kpa
4. environmental noise: less than equal 60dB (A)
Second, the functional indicators
1, microphone
(1), omnidirectional anti-noise electret condenser microphone; optional single-point anti-noise microphone, signal-to-noise ratio greater than 58dB
(2), sensitivity -40 ± 3dB (0dB = 1V / Pa, at 1KHz);
(3), impedance 2.2K ohms;
(4), working voltage 2.0V;
2, the receiver
(1), broadband high quality receiver;
(2), the impedance is 150 ohms;
(3), the frequency range is 100-6600HZ;
(4), the distortion is less than equal 5%;
(5), sensitivity 100 ± 3dB (1000, 12000, 1500, 2000HZ);
3, the connection plug
(1), high-quality anti-sway, low-resistance PU headphone cable (with anti-stretch wire tensile material);
(2), the cable length is 2.65 meters (including the plug), and other lengths of the earphone cable can also be provided according to the user's needs;
(3), Optional with intermediate plug-in QD head, compatible with Plantronics or GN Netcom, with a plug-in life of no less than 10,000 times
size:18*12*3cm
Material:plastic
colour:black
Package Contents:
1 * Binaural HeadsetOnly the above package content, other products are not included.
Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.