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, JK-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 30/60/120 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/English/German/French/Italian/Spanish languages.Specifications: Name: Recording pen Model: A20 Recording format: MP3/WAV Music format: MP3/WAV/WMA/OGG/APE/JK-FLAC/WAV Recording quality: 3072KBPS NSR: 70dB Frequency: 20Hz-20KHz Body memory: 32GB Bluetooth function: Support 32GB recording file storage 192 hours Operating time: 48 hours of continuous recording. Standby time: 30 days Built-in battery: 3.7V 230mah Recording mode: voice/manual control Microphone: built-in 3 high-sensitivity microphone Language support: Chinese / English / German / French / Italian Headphone interface: 3.5MM Charging interface: type-c Size: 101*22*10mm Color: black Material: metalPackage includes: 1*recording pen 1*User's manual 1*3.5MM headset 1*type-c data cable