1. CNC aluminum alloy material, with magnetic suction 2. One button with three functions: Power on - normal recording, voice-activated recording, and power off 3. One-key recording, with delete function, playback LED indicator 4. ADPCM recording 192Kbit, optional 50dB voice-activated recording, automatic split recording, loop overwrite recording 5. Built-in 3000mAh battery, can record continuously for 500 hours; charging time 15 hours, standby for 365 days 6. Support MP3, WMA, WAV playback, support fast forward and rewind playback 7. Product size: 20.5x42x82.5mm 8. Product weight: 103g
