Standby time up to 15 days. Playback function with included earphones. Recording Power: Continuous up to 20 Hours. Recording file format: WAV format. Support System: Windows 7/8.1/10.The item "Voice Recorder 20hours REC USB Vimel Listening Device Activated No Spy Hidden" is in sale since Saturday, January 5, 2019. This item is in the category "Business\Office Equipment\Dictaphones & Stenography\Dictapones & Voice Recorders". The seller is "storage_specialist" and is located in Sydney, New South Wales. This item can be shipped to Australia, United States, United Kingdom, Canada, Germany, Hong Kong, France, New Zealand.