Description: Name: Recording Pen Model: Q55; Memory capacity: 8/16/32 GB; Main material: zinc alloy, tempered gla screen; Recording format: WAV; Recording time: 20 hours of continuous recording, long-distance pickup of 80 meters; Standby time: 68 hours; Recording method: one-on recording, MP3 recording, PCM linear recording 1536Kbit, 20 hours recording time, optional voice-activated recording 50DB, automatic split recording; Microphone: high-quality large-diameter silicone microphone; Recording quality: 1536 Kbps high-quality recording/CD-level standard sound quality; Frequency response: 20Hz-20KHz; Screen: LCD screen 96 x 64, with external speaker, external card;guage support: Chinese, English and other 18guages; Battery: integrated envmentally friendly lithium battery; USB: Mini USB 2.0/OTG