1The middle frame has a one piece appearance, sturdy and durable, with 3D hyperboloid design on the front and back, with outstanding texture. 2Supports web version transcribing, can connect the recorder and mobile phone via OTG cable to transcribe voice files, realize text editing. 3All round recording, soft and drizzle can also be recorded, ensuring perfect and professional recording quality. 4Professional for DSP acoustic processor, automatic analysis of human voice and noise, intelligent separation and noise reduction, clear restoration. 5Small and stylish, cool mini, easy to carry, simple operation, fully fulfill your recording needs. Item Type: Voice Recorder Material: Metal Color: Black Model: N5 Function: Recording, Music Playback Screen: 135 x 240 Color Screen Format Support: MP3, WMA, FLAC, APE WAV Bit Rate: 512/768/1024/1536 kbps MP3 Bit Rate: 32/64/128/192 kbps Frequency Range: 20Hz-20kHz Signal to Noise Ratio: > 80dB Distortion: 0.05% Supported Operating Systems: for Windows 2000 and Above, for Android 4.0 and Above, for OS X 10.0 and above Battery Type: Built in 250mAh Lithium Battery 1 x Voice Recorder 1 x Data Line 1 x Headphone 1 x Manual