1、This is a portable audio recorder, made of good quality material, sturdy and durable. 2、Support high definition lossless recording, HD noise reduction. 3、Supports multiple playback formats, MP3, WAV, WMA. 4、Small size, super easy to carry. You can take it anywhere.  5、4 inch LCD screen, 128*64 resolution. Built-in microphone, noise reduction recording. 1 x Audio Recorder1 x Earphone1 x Charging Line 1 x Manual Condition: 100% Brand NewItem Type: Audio RecorderLength: approx. 10cm/ 3.9inchModel: SK333Main control: torch force 2129Audio format: WAV, MP3HD noise reduction recording dual format: WAV, MP3Recording bit rate: 1536kbpsLossless playerMusic format: MP3, WAV, WMALossless: APE, FLAC, etcRecording time: 20 hoursBattery capacity: 360 mahCharging voltage: 5VBattery type: polymer batteryDisplay screen: 1.4-inch TFT displayResolution: 128*64Type: LCD (black and white)Speaker:Custom equalizerEqualizer Settings: off (rock, funk, hiphope, jazz, classical, electronica, custom).Frequency response: 20-20khz16Ω headphone output power: the maximum output power of 0.02WThe external speaker output power: 8 Ω 2WStorage mediumBuilt-in storage type: NAND FLASHBuilt-in storage capacity: 8GBSystem requirement:PC operating system: for Windows 98 XP /2000/7/8/10 for OS 10 and aboveUSB: USB interface connection (high-speed USB 2.0)Audio capture:Audio format: WAV/MP3 formatBuilt-in microphone: noise reduction recording (mono recording)/ordinary recording (double recording)Voice recordingAudio output:Headphones: 3.5mm stereo headphones output 10mW+10mWBuilt-in speakers: 8Ω 2W