This is the powerful device to protect your children from bullying! Introducing the Guardian 1ClickON Secret USB Voice Recorder. It is the best device that provide parents with an effective way to protect their children when they are away. Small yet powerful recorder with built-in voice-activation sensor. The Guardian 1ClickON Secret USB Voice Recorder uses the most up-to-date PCM ten-core triple digital intelligent noise reduction technology to produce sound with a high-quality up to 512kbps. Omnidirectional stereo microphone is included, allowing for better, lower-pitched, and farther sound recording. The recorder's durable zinc alloy housing provides longevity. Voice recorder is compatible with Windows/Mac and Android devices(OTG). Just insert the mini recorder in your PC, MAC or Android device or your U disk and drag the files over to a PC, MAC and Mobile Phone. SUPER USER FRIENDLY! Easy extract recordings and can store up to 48 hours of recording. OUR GUARANTEE We are confident that we offer some of the best products on the market. Therefore, we provide a 30-day guarantee. We will make every effort to ensure that you are completely satisfied with your purchase. Online shopping can seem daunting. We want you to know that there is absolutely zero risk of purchasing something. We won't make it difficult if you don't love it. We offer email and ticket support 24 hours a day, 7 days a week. If you require assistance, please contact us. Please contact customer service if you have any problems with your purchase.