2.4G wireless system EV-405G
● Working frequency band: 2.4g global universal license-free ISM green frequency band;
● Long transmission distance: can be more than 30 meters in the range of open areas stable transmission of audio data;
● The same microphone can be used in any classroom without interfering with each other. Truly achieve a division a wheat, clean health and environmental protection;
● 2.4G and infrared two kinds of frequency control mode: boot automatically search less interference channel frequency control, automatic pairing is completed within 3 seconds, to ensure that the product does not cross frequency, strong anti-interference and transmission stability; Infrared frequency alignment, to ensure the same space equipment accurate frequency alignment;
● The use of 32KHz sampling rate, to ensure the quality of human voice sound, before and after transmission through unique technology processing, to ensure that the received signal to maintain high fidelity effect;
● The built-in electret pickup is designed with a pickup cavity, which can effectively inhibit the noise and improve the distance of picking up sound. The cavity is equipped with acoustic sponge pad, which can improve the blasting sound.
● Support one button mute function;
● Support volume adjustment: can adjust the volume of the microphone, and has a shutdown memory function;
● Support built-in microphone and external microphone. Use the built-in microphone, which can be held in hand, inserted into the collar of the jacket, pocket, or hung on the chest with a lanyard; When using laser pointer, remote control computer PPT and other functions at the same time, it is recommended to use a head-mounted microphone with an external 3.5mm plug or a lap-type microphone inserted into the external microphone jack to obtain the best sound picking effect.
● Support laser pointer pointer;
● Support PPT page turning and one button black screen/restore function, can be used with the projector or computer display and explanation. PPT page turning module supports hot swappable, no need to install driver software, support not open the host to use PPT page turning function;
● Support 3.5mm audio input and microphone input;
● New noise elimination circuit design, can effectively reduce the switching machine noise;
● LCD display, display signal strength, frequency mode, electricity (charging display), working channel, volume, PPT function, etc., can be customized LOGO brand display content;
● Built-in rechargeable high-performance 3.7V polymer lithium battery. Battery capacity: 800mA, with protective circuit, safe and reliable, Micro USB interface charging,2 hours of sufficient power sustainable life ≥12h;
Low energy consumption design, automatic shutdown within 2 minutes when there is no signal, energy saving and environmental protection;
● Pen shape wheat body design, comfortable grip, ergonomic, key partition design, simple operation, metal plating cavity, more show product texture. The appearance is fashionable and new and beautiful. The weight of the whole microphone (including the built-in mic) is less than 40 grams, light weight and easy to hold.
● Can be customized according to customer needs;
● Products according to the RoHS standard production, can pass the FCC/CE test.