Description:
M90 Smallest GSM bug (m90) Wireless sim listening device
Free installation. Just need leave where you want to monitor sounds4*2.8*1.1cm, the world's smallesest voice monitor, which it is very easy to hideIt doesn't come up noise, does't shake and doesn't shine when it is working. Quite safe!Hight rechargeable Battery, Super-long standby and no distance limitationRecorded voice clear and loud and can work with other voice record equipment.USB Charger.
Brief Description of Four-Frequency Voice Bug
Features:Four-frequency technology adopted, this small product can be applied in most countries (expect Japan and Korea), and it has the outstanding features of wide range and long standby time (up to 100 hours)
Usage:
1.Insert SIM card into the slot, keeping its interface downward. Press the power button for 5S to start
2.Single click the power button till the indicator brightens, which means it begins to work. And press the button for a while till the indicator brightens, which means it turns off.
3.The products works based on GSM network. It should be put on the position with good signal to get the best effect(You may dail to test or check the mobile phone signal)

Cautions:
1.keep power off when charging to avoid being damaged
2.Charge for 3 hours before using it to get the best performance (please adopt original charger and parts in case of being damaged). Please turn off it and pull out the SIM card when you don’t use the machine
Parts:Each of main unit, charger and manual
Faults resolution:1.if dialing cannot be connected, please try it again or restart.2.If you are indicated the number you dialed is power off, please check whether the main unit starts, the indicator brighten or the number dialing is correct.

  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!