1The appearance is small and easy to carry, and it can record the sound you hear anytime and anywhere. 2The system will automatically synchronize the recording time and record the time for each recording. 3Convenient one key recording operation, move the button up to start recording, move the button down to save the recording. 4The stereo sound is full and delicate, filtering background noise, and realizing 360stereoscopic high definition recording. 5Very suitable for recording your thoughts, memos, lectures, meetings, interviews, etc. Item Type: Voice Recorder Material: Metal Model: N2 Colour: Black Function: Recording, MP3 Playback Display Resolution: 80x160 TFT Color Screen USB Interface: Micro USB Format Support: MP3, WMA, FlAC, APE and Other Formats WAV Format Bit Rate: 512kbps / 768kbps / 1024kbps / 1536kbps MP3 Format Bit Rate: 32kbps / 64kbps / 128kbps / 192kbps Frequency Range: 20Hz to 20KHz Signal to Noise Ratio:> 80dB Distortion: 0.05% Supported Operating Systems for Windows 2000 and Above, for Android 4.0 and Above, forOS 10.0 and Above Battery Type: Built in 200mAh Lithium Battery 1 x Voice Recorder 1 x Headphone 1 x Data Line 1 x Manual