Caution: color: we ship according to the color of the first picture, in the package: If the quantity is not stated in the description, we will ship the item according to the quantity and model in the title.If the title does not have a quantity, it is 1pcs. Keychain digital voice recorder voice activated recording usb flash drive silver audio sound dictaphone portable mp3 player| digital voice recorder v11 keychain digital voice recorder voice activated recording usb flash drive silver audio sound dictaphone portable mp3 player product features: 1. Shell made from metal and zinc alloy material, anti-fall strongly 2. Professional recording pen chip of atj3315d, hd recording 3. Timestamp,name the recording files by date automatically 4. Agc function, adjusts the noise source automatically 5. Voice recorder,mp3 player,and usb flash drive 6. Support voice activated recording 7. Detect low battery and save the recording files automatically 8. Playback function: one key to record/save 9. Plug into headphones to listen to music 10. Usb adapter 11. Long battery life 12. Built in rechargeable 150mah lithium battery 13. Usb 2.0 Connector , easy to upload and download files 14. Color: black/silver specification: 1. Recording format: wav/192kpbs 2. Music playback format: wma/wav/mp3/ogg etc. Audio format 3. Battery recording time: about 15 hours 4. Battery playing time: about 10 hours 5. Battery: 150mah lithium battery battery charging time: about 2 hours 6. Noise-signal ratio: 80db 7. Usb interface: usb 2.0 High speed 8. 16Gb saving recording time: about 188h/ 32gb saving recording time: about 376h 9. Working temperature: -5 to 40 degrees 10. Recording sample rate: 48khz 11. Headphone jack: usb jack 12. Compatible system: windows 2000&above 13. Size mm : 70*23*8 l*w*t 14. Net weight: about 34g package included: 1*voice recorder 1*english manual 1*usb data cable