Features: The first Bluetooth cell phone connection, can record calls high-speed Bluetooth cell phone connection, can record cell phone call content. 0.96 inch LCD screen with speaker external amplifier, zinc alloy material, electroplated one piece lens, 3.5 MM headphone hole, type-c fast charging port.One key recording, MP3 recording, PCM linear recording, 3072Kbps sound quality, 48 hours recording time, optional voice-activated recording, automatic split recording. Support multiple playback formats: MP3, WMA, OGG, APE, JQ-FLAC, WAV, AAC-LC, ACELP format.One-touch recording, dynamic noise reduction, 3072KBPS lossless sound, voice-controlled recording, password setting, timed recording, e-book reading, segmented recording, language to text, recording while listening, automatic time stamp, recording playback, music playback, multiple sound effects, U disk function, A-B repeat, support for external playback, local deletion, fast forward and backward playback. Intelligent noise reduction chip, HD HD sound quality, 100 meters long-distance recording, 6D dual microphone. long-distance recording, HD 360 all-round stereo sound pickup, HD long-distance 100 meters, heard that can be recorded without environmental interference. Intelligent voice-activated recording, automatically record when there is sound, try to save storage space, but also save time to play back filtering useless clips. One key recording, one key switch, one key recording, simple and easy to operate, to prevent mistakes, in a pinch, do not miss the recording opportunity. Variable speed playback, variable speed without changing the tune, when playing recordings, or learning materials, you can set multi-level variable speed, for file analysis and learning time faster memory. Intelligent segmentation recording, segmentation function, you can record files, according to the recording time for automatic segmentation 30 or 60 or 120 minutes automatically stored as a file. Timing recording, recording important moments, you can set a time to set the time is, automatically open the recording, in the process will not make any sound and lights. 48 hours long-lasting battery life, power failure save, the recorder will automatically save the recording file without power to prevent data loss and ensure safety. Support Chinese or English or German or French or Italian or Spanish languages.Specifications:Name: Recording penModel: A20Recording format: MP3 or WAVMusic format: MP3 or WAV or WMA or OGG or APE or JQ-FLAC or WAVRecording quality: 3072KBPSNSR: 70dBFrequency: 20Hz-20KHzBody memory: 32GBBluetooth function: Support32GB recording file storage 192 hoursOperating time: 48 hours of continuous recording.Standby time: 30 daysBuilt-in battery: 3.7V 230mahRecording mode: voice or manual controlMicrophone: built-in 3 high-sensitivity microphoneLanguage support: Chinese or English or German or French or ItalianHeadphone interface: 3.5MMCharging interface: type-cSize: 101x22x10mmColor: blackMaterial: metalPackage includes:1xrecording pen1xUserandamp amp 39 s manual1x3.5MM headset1xtype-c data cable Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.