Product Material: metal + glassSize: 85mm36mm14mmMemory: 8GBDisplay: 1.0 inchRecording mode: continuous recordingRecording format: WAV formatRecording power: 0.8mA-12mARecording sampling rate: 8KHz/16KHz/48KHzRecording bit rate: WAV (32/128/192/384Kbps)Music playback format: MP3, WAVMemory card type: does not support expansion cardsDisplay: Monochrome displayTransmission interface: USB 2.0Recording distance: 10 meters-20 metersPower supply mode: built-in lithium batteryBattery capacity: 220MAhBattery life: 18 hours of recording, 5 hours of playback (plug in headphones to listen)Color: black, iron gray, silverQuantity: 1 piecePackage content: 1*recording pen (with battery)1. Multifunction: The digital voice recorder offers many functions such as MP3 player, one-click recording, telephone recording function, high recording quality, automatic storage, time setting.2. High quality sound Easy to use: This recorder microphone has higher sensitivity and you can enjoy better sound quality. Easy three button record, save and playback, easy to use.3. 8G memory, longer recording time: The recorder can record up to 560 hours (32kpbs recording quality); built-in rechargeable battery; When fully charged, you can continuously record 18 hours of recording and 5 hours of playback (plug in headphones).4. Recordings with high fidelity: The voice recorder has microphones that record in HQ mode and intelligent dynamic noise reduction, and ensures excellent sound and recording quality with sound recordings in a radius of 360 degrees. External speakers reproduce your recordings with particularly high fidelity.5. Wide application: The tape recorder is ideal for universities, lectures, discussions, interviews, group presentations and podcasts. It is especially suitable for schoolchildren, students, teachers, professors, business people and other groups.