Features 1、Compact Design: The card shape design with a thin thickness of 0.27in enables easy recording in your pocket without taking out. 2、Large Capacity: When fully charged, the large recording capacity of 40 hours will surely satisfy your all day recording needs. 3、Better Control: Voice activated, the recorder ensures less noise and better sound quality, which will also save power and space. 4、Practical Uses: Allows for wide application for meeting, office, lecture, interview and so on, practical and reliable for use. 5、Easy Carrying: Comes with a small size and a light weight as well, the convenient carrying makes it ideal for indoor and outdoor. Specification Item Type: Audio Recorder Recording Time: About 40 Hours Voice Activated Working Time: 80 Hours Recording Format: WAV Battery Type: 1 x built in 3.7V 600mAh Li ion battery, shipped with built in battery. Battery Model: 602540 Battery Capacity: 600mAh Recording Bit Rate: 192K bps USB Port: USB 2.0 Frequency Response: 20Hz-20KHz Maximum Audio Output Power: 5mW Working Temperature: 0 - 40℃ Package List 1 x Audio Recorder 1 x Data Cable 1 x English User Manual