Description:
Calculator GSM Voice Bug/GSM Voice Recorder/Listening Device
Fully functional Desk top calculator has GSM listening device with 40 hours operation. Battery charged with USB. This fully functional calculator can be left in office without any suspicious and you will know what is going on when you are away.
You can charge the battery via USB port of your computer or USB mains charger.There is a secret switch which you can set the GSM listening device ON/OFF .Ideal Listening device for home , office and also in the car. As the Calculator working with Solar battery charger you do not need worry about calculator battery and will work mant many years.
Technical Specifications:
GSM frequency: 900/1800/1900 MHZAudio Amplification:-45dBBattery Life: 40 HoursListening Time: 8 HoursCalculator fully functional

Work with bands (900MHz, 1800MHz). Please check if it can work with your local system format before purchasing!
Note:the device can't work properly in USA.please do NOT bid if you use it in USA Not suitable for either CDMA or 3G network!

  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!