1. Beautiful: Zi-nc alloy metal shell design, mirror panel, sophisticated craftsmanship and texture, one-click recording, one-click switch on and off, simple and easy to operate, avoid physical phenomena, pinch, don't miss the will of the recorder, side slider , push up to record, push down to save panning microphone2. Sound pickup and stereo surround recording, built-in high-sensitivity condenser dual microphones, 360 stereo surround recording, H-Igh Fid-Eality sound quality restoration. Lo-Ng amplified recording, you can record when you hear it, dont worry about the rear Ro-W not being able to hear it, high-definition dis-Ong recording, you can record when you hear it, and record whenever you want. Listen, its easy to understand3. Respond to various voice control scenarios, carefully record every sentence, automatically record when there is a sound, try to save storage space and save playback time, filter useless clips, independent acoustic noise reduction chip, harder and more outstanding, Acoustic DSP noise reduction reduction chip , better adapt to different recording environments4. Continuous and stable noise reduction, achieving clear and noiseless recording, stepless speed change, and adjustable playback speed. When playing recording or learning materials, you can set multi-level speed change or AB Rep-Eat recording to facilitate file analysis and study time. Memory is recorded faster and important moments are recorded5. You can set the time. When the time is set, the recording will be automatically opened. You dont have to worry about missing important voice-to-text recordings. The recording files can be converted into text, making work so simple and freeing your hands. Password protection, you can set a password to protect your data so you cannot listen to the recordings unless decrypted6. Direct connection with your own mobile phone: no computer is required, directly connect to the Android phone through Otg, read the recording data in the recorder, and conveniently manage the recording files (only compatible with the Otg function of Android phones, this product does not include Otg cable).specification:Colour: BlackMaterial: Zi-nc alloy metal shellScreen: 0.8 inches IPS (button: button)Battery: lithium polymerSupport memory: 4GB/8GB/16GB/32GB/64GB/128GB (excluding memory card)Product size: 11mmx27mmx85mm / 0.43x1.06x3.35inchNet weight: 55g/0.12lbsMicrophone: YesSpeaker: High Power Speaker 2030Battery capacity: 300mAhRecording time: 30HPlay time: 12HCharging time: 2.5HRecording format: WAV/MP3Playback format: WAV/MP3/WMA/APE/FLA/OGG/AAC/AAX/M4A