Product Details
Product Description
Product Description
Noise Cancelling Headphones Wireless intercom Headset intercom System Half Duplex Communication headsets
wireless intercom headset
unlimited number of wireless talkback
intercom 1000 m -3000 meters without obstacle
small volume and light weight
excellent noise resistance
Noise cancelling headphones wireless intercom headset intercom system half duplex communication headsets technical parameter Product model: YS-DJ-02H Product Name: wireless intercom headset Wear way: wear ear guard Energy exchange method: electret There is a microphone. Product weight: 380G Product material: environmental protection ABS and rubber Power supply voltage: battery voltage 3V-4.5V supply Working frequency range: 400Mhz-480Mhz Emission power: 1W Temperature range: -40 C 60 degrees C Charging time: less than 2H Talk time: > > 4h Standby time: more than 200h Horn impedance: 4 Omega Frequency range: 20-20000Hz Battery type: 3.7V lithium battery Form of call: unlimited number of wireless talkback, a headset to send voice and other headphones to receive at the same time. Actual call distance: 1000 m -3000 meters without obstacle YISHENG brand YS-DJ-02H radio intercom headset (black) Radio intercom headphones, headphone headphones, multi - to - Noise phone headphones, and Walkie - phone. YISHENG brand wireless intercom headset headset, built-in communication device, corresponding to the human mouth position is provided with a microphone headset and microphone is connected with the communication device of the wire. Earmuff is also provided with an antenna. The wireless talkback safety helmet is easy to operate and convenient to use. At the same time, it also has the characteristics of small volume and light weight. It can be widely applied to electric power, public security traffic police, posts and telecommunications, buildings, transportation, wharfs, shopping malls and other places. Transmission distance, wide barrier free area up to 1000 meters, no environmental (electromagnetic, noise, human interference, good voice quality). Basic functions, safety protection, hearing protection, isolation noise, intercom talk. Prominent features, two sets of radio intercom headphones direct radio dialogue, no more interconnect interphone
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