JT301 Wireless Mini Earphone|spy earpieces|micro headphone

What Is Spy Earpiece For? The main purpose of this device is to provide invisible communication over a cell phone. You can use it when you are: (1)passing exams or taking tests (2)making speech at a meeting or negotiations (3)working as a security guard (4)playing games or gambling at casino etc. Introduction: It's an invisible and wireless mini earphone. It's very difficult to be found by others when you get it in your ear. Generally, it's used by reporters, journalists, investigators and so on. The transmitter, namely the wired earphone which is connected to the phone, can transmit the signals to the mini earphone well with little disturbence. And the mini earphone can receive the signal very well. And what's more, the wired earphone can be connected to Nokia, Samsung, Motorola and other branded mobile phones. Specifications: 1. Mini Spy Earphone Wireless Hidden Cell Phone Earpiece 2. Compatibility : The earphone, together with the inductive loop work with mobile telephones, radiotelephones, to enable two-way communication. 3. They may also be used to play the sound using any portable sound player: an mp3 player, a Dictaphone, etc Size : 5x7x10mm 4. Shape : anatomical shape 5. Battery Life : 15h 6. Interference :