Description:

F999B wall ear bug/Super Ear listen bug/ wall voice monitor listening device surveillance

1.Features:
F-999B is a high sensitive partition monitor, which is perfectly constituted by metal receiver, metal handset with superior detecting ability and high-quality headphones, making it more sensitive and sound-qualified. It owns built-in Lithium battery and unique FM transmitter function, easy to be manipulated and carried
2.Usage:
Put the earplug into headphone hole, the sonde into the MIC hole, and clockwise rotate the “switch on/off” button of the volume. When the indicator light of the power works, booth the machine and adjust the volume, smoothly stick the sonde to wall the need to be monitored, adjust the gear-choice buttons A B C until you can clearly hear the sound from the room.
If you need to do the sound recording, you can use recording equipments to go through the mouth of the recoding to connect the audio cable for recording. Also, F-999B has another special FM wireless emission function, with specialized FM receiver which can receive the information afar and monitor that.
3.Cautions:
The indicator light works when it is charging please shutdown in case of damaging the machine. It needs to charge for about five hours. The sonde must smoothly stick to the wall’s surface; never move the sonde when you are sticking it to the wall in case of damaging the sonde. The effect of the monitoring depends on the thickness, materials and other features of the wall. Appropriately adjust the gear-choice button until you can get the best effect of monitoring. D is the partition monitoring bougie of the sonde is the refined part which should not be dismantled or touched discretionarily.
4.Parameter:
Electric Current Exhaust: 10mA
Battery type: 3.7V lithium-battery
Continuous monitoring for 100hours
Four Audio Choices: A (200MHz) B (800MHz) C (1200MHz) D (partition bougie monitoring)
Sonde’s sensitivity: -70db, the maximum times of amplifying
the audio: 2000 times
Penetrability: Cement wall, Steel wall, wooden wall, iron wall, glass and air brick
Answering patterns: Headphones, recoding, wireless FM emission

  Shenzhen Eos Electronics Co., Ltd was established in 2001. We are professional designer and manufacturer of  self defense products, like stun gun, pepper spray, expandable baton, brass knuckle, security products like :spy camera, listening device, GSM bug, wireless camera detector, signal jammer, GPS tracker and security camera  etc.

  We have our own factory Shenzhen China, with over 200 employees. Our factory has six lines of AUTO- SMT Machines, and two lines of  DIP testing. We are able to accept ODM/OEM orders, as we have a strong C&D Team.Our sales team has skilled exporting expreieFurthermore, we provide quality warranty to each of our products, which include one year manufacturer guarantee. With the strong technical and sales expertise and advanced equipment, we provide the fastest after-sale services to our customers. Our products enjoy a good reputation all over the world. We hope to cooperate with you and make mutual beneficial business.

  We have been taking "technology, quality and service" as our business principle. We will try out best to meet your requirements for the packing, the MOQ, the lead time as well as the payment term. 

  Our faith is: Best Quality, Fastest Delivery, Most Competitive Price, and Most Professional Service! Our products have passed ROHS test, CE, FCC. we are looking forward to your enquiry and correspondence,  sincerely wish to start business with customers from all over the world!Welcome to contact us!