A spy voice recorder is very useful when you need to discreetly record any conversation either at a moment’s notice or planned in advance. These devices are designed to be extremely unassuming and practical, usually disguised as a variety of everyday objects. Packed with a concealed microphone, a voice-activated spy recorder simply starts recording whenever sound is detected. If there's someone speaking, it immediately terminates its standby mode and it tapes what's being said. Switch the button to on position, then start recording. Switching the button to the off position allows you to save the recording file and turn off the power. Without plug-in the earphone, switch on the button and press and hold till the red light is bright. When the blue light flashes a few times and release, then the voice-activated recording function is opened.

Switching the button to off position to save the recording file and turn off the power. Connect the pc or charger with the usb cable, switch the button to on position when the red light is flashing or the blue light is keeping bright, press +or"(keep it about 5 seconds). When the red light is off, it will start to record while charging. Switching the button to off position to save the recording file and turn off the power.