Feature:1. STEREO AND LONG TERM RECORDING: Built in microphone stereo recording, original sound playback, built in 200mAh lithium battery, with up to 45 hours of recording time.2. PROFESSIONAL NOISE REDUCTION: Use professional noise reduction dual microphones to shield background noise to ensure high sound reproduction and clarity.3. COMPUTER DIRECT CONNECTION: Built in USB direct connection in the voice recorder, you can quickly transfer files to the computer.4. FILES CAN BE TRANSFERRED TO MOBILE PHONES: You can directly connect to for Android mobile phones through OTG converters, and organize recording files on your mobile phones.5. HIGH QUALITY MATERIAL: It is made of high quality ABS material, durable, quality assurance, worthy of possession.6. SMALL SIZE: Exquisite and small size design, light weight, convenient to carry out, and provide you with recording needs at anytime and anywhere.Specification:Item Type: Voice RecorderMaterial: ABS, MetalMaximum Output Power: 1W (8)Audio Playback Format: MP3, WMA, etcAudio Multimedia Data Transmission Rate: WMA (32-192kbps), MP3 (8-320kbps)Recording Source: Built in Microphone RecordingRecording Output Format: WMAMaximum Number of Segments: 999 SegmentsRecording Playback Frequency Response Range: 200Hz-10000HzRecording Distortion: <10% (Maximum Volume)Storage: Memory Card (Not Included)Interface: Approx. 1 x 3.5 mm / 0.04 x 0.14 in, 1 x Memory Card PortBattery Type: 200mAh Lithium Battery (Shipped with Built in Battery)Continuous Recording Time: About 45 Hours (32kbps).Package List:1 x Voice Recorder1 x USB Cable1 x 0.1in Earphone1 x Manual