Онлайн-обслуживание клиентов двойные наушники микрофон rj9 активное шумоподавление колл-центра
- Категория: Telephones & Accessories >>>
- Поставщик: Shenzhen,Shengtong,Electronics,Co.,Ltd.
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Описание и отзывы
Трекер стоимости
| Месяц | Минимальная цена | Макс. стоимость |
|---|---|---|
| Sep-19-2025 | 5.91 $* | 5.0 $* |
| Aug-19-2025 | 5.51 $* | 5.17 $* |
| Jul-19-2025 | 4.61 $* | 4.73 $* |
| Jun-19-2025 | 5.95 $* | 5.74 $* |
| May-19-2025 | 4.71 $* | 4.81 $* |
| Apr-19-2025 | 5.59 $* | 5.55 $* |
| Mar-19-2025 | 5.1 $* | 5.2 $* |
| Feb-19-2025 | 4.53 $* | 4.99 $* |
| Jan-19-2025 | 4.79 $* | 4.67 $* |
Характеристики
Product Description
Specification
Frequency range | 2.4GHz-2.480 GHz |
Transmission distance | 10M (transmission distance due to environmental factors and mobile phone devices are different) |
Working hours | 12 hours |
Standby time | 250 hours |
Support agreement | HFPV1.6, HSPV1.2, A2DPV1.2, AVRCPV1.4 |
Charging interface | Micro USB interface |
Battery specifications | rechargeable lithium (3.7V, 180mAH) |
Charging power | 5VDC, 100-240V AC adapter |
Rated power | 3MW |
Channel | Mono |
Signal to noise ratio | ≥ 30DB |
Frequency response range | 20Hz-20KHz |
Distortion | ≤1% |
Speaker unit | OD 28mm |
Microphone | Unidirectional and noise cancelling, impedance: 2.2KΩ; sensitivity: 40 ± 3dB |
Use of the environment | Temperature: 0 º C ~ 40 º C |
Humidity | 0% ~ 85% RH |
Storage Environment | Temperature: -30º C ~ 40º C |
Packing & Delivery
To better ensure the safety of your goods, professional, environmentally friendly, convenient and efficient packaging services will be provided.
Company Profile
Certifications
FAQ
