Digital Audio Recorder - Universal - Digital small keychain mini video camera tape recorder action camera sound dictaphone one button recording | digital tape recorder Strengths Universal Digital small key ring mini video camera tape recorder format action camera sound dictaphone one button recording | digital tape recorder Digital Small Keychain Mini Video Camera Voice Recorder Wav-Camcorder Action Camcorder Sound Dictaphone One Button Recording | Digital Voice Recorder Features 1 HD Image ANTI-SHARE VIDEO VOICE RECORDING NO VOYEUR No noise 2 buttons just one operation simply 3 smart phone can be played via OTG 4 HD noise reduction 5 Small size metal shell, easily portable keychain design 6 Support recording when charging and loop recording