Description N28 voice recorder HD recording intelligent noise reduction MP3 digital player voice recorder 16gb Product function introduction: Professional WAV format recording, one-click recording. LP.HQ.SHQ (long recording, high quality recording, fidelity recording) and other recording samples Exquisite appearance design, exquisite and unique appearance design, comfortable feel. With blue light display, the operation is more convenient. Intelligent voice-activated recording can effectively save storage space and reduce blank and useless files. Professional WAV format recording, high-quality sound quality, bit rate up to 384kbps. Support MP3, WAV format playback. Support phone recording function. Support voice-activated recording function. Supports recording while listening. Support multiple languages, English, etc. Drive-free U disk function, mini 5pin universal interface, high-speed data transmission. Recording low-power automatic shutdown save function, so that files are no longer lost. Recording automatic gain function (AGC), recording monitoring function. Built-in capacity memory, allowing you to easily record. Built-in microphone (condenser) for recording. Built-in high-quality speakers. Mobile hard disk storage function. LINE IN audio direct recording function. Exquisite appearance design, exquisite and unique appearance design, comfortable feel. Product Parameters : Recording format: WAV format Recording power: 0.8mA-12mA Recording sampling rate: 8KHz/16KHz/48KHz Recording Bit Rate: WAV (32/128/192/384Kbps) Music playback format: MP3, WAV Headphone jack: 3.5pie stereo jack Maximum headphone output: (L) 9mWx(R) 9mW (32Ohm) USB interface: MICRO-Mike 5P/DC5V-300MAh Storage: Embedded Flash Built-in speaker output: 800mW Built-in speaker: 8R/0.5W diameter 26 Built-in MIC: Omni-directional capacitor MIC Display: 1.0 inches Distortion: 90dB Signal-to-noise ratio: 0.06% Operating temperature: -1040 Body weight: 32.5g (bare metal) Body size: 85mm36mm14mm Power supply mode: lithium battery/3.2-4.2V Battery Composition: Lithium Ion Battery Type: LiCoO2 Battery capacity: 220MAh Battery weight (grams): 4g Watt hours per battery: 0.81wh Lithium content: 0.066g Battery size: 3.5mm*14mm*55mm Battery life: 18 hours of recording, 5 hours of playback (plug in headphones) Supported system: Windows XPVista/2K/ME/98 (requires driver installation) /Mac OS 10