Features:1. The shell of this product is made of metal and zinc alloy materials, with strong drop resistance2. ATJ3315D professional voice recorder chip, HD recording3. Timestamp, automatically name the record file according to the date4. AGC function, automatically adjust the noise source5. Audio recorder, MP3 player, USB flash drive6. Support voice-activated induction recording7. When the battery power is low, the record file is automatically saved8. Playback function: one-key record/save9. Plug in headphones to listen to music10. Password protection11. Long battery life12. Built-in rechargeable 150mAh lithium battery13. USB 2.0 interface, easy to upload and download files14. Color: Black/SilverProduct Parameters Specifications:1. Recording format: WAV / 192 kpbs2. Music playback format: WMA/WAV/MP3/OGG and other audio formats3. Battery recording time: about 15 hours4. Battery life: about 10 hours5. Battery: 150mAh lithium battery Charging time: about 2 hours6. Signal to noise ratio: 80dB7. USB interface: USB 2.0 high speed8. Saving recording time: about 188H/ 32GB Saving recording time: about 376H9. Operating temperature: -5 to 40 degrees10. Record sampling rate: 48KHZ11. Headphone jack: USB jack12. Compatible system: Windows 2000 and above13. Size (mm): 70*23*8 (L*W*T)14. Net weight: about 34g Package includes: 1*Sound recorder 1*English manual