3.7v-4.2v *Voltage USB rated : 5V300MAH-5V500MAH *Distortion: 0.05% *Battery Life (each full charge) *Recording: about 10 hours of audio (about 30 mA depending on the volume of sound) Earphones: about 30 hours (9 mAh) *Music: about 5 hours of external audio (depending on song size) Earphones: about 2 0 H(13 mAh) *Screen Size: 28 x 25 broken code screen *Device Size: 88 mm * 33 mm * 12.5 mm * Support System: Windows 98/2000/XP, - Made of ABS material, matte design, simple and elegant look Using the high-definition broken code display, convenient for night operation. If you want to buy the whole album If instead you want to buy the whole album, scroll up to the top of the list of tracks and go to 'Purchase Options' and 'MP3 Music' as seen in the image below.

Generation: MP3 format *Specimen recording bit rate: 128Kbps *Record current (approx): Incandescent display: about 33mAh: Out-screen : About 26mA *On/Standby (Approx.) : Incandescent backlight: 33mAh Dim backlight: 26mAh, Off current: 27mA *Maximum actual output: (L) 10 W+(L)10mW (32ohm)*Frequency Response: 20Hz to 20kHz *External Input: 3.5mm headphone jack, USB *Built-in Microphone: Non-Directional Condenser Microphone *S/N (Noise Ratio): ≥ 70dB *Power Supply Rated voltage. An option to buy the MP3 of just that track will come up. Specifications: *Built-in lithium battery (270mAh) *Support memory capacity: 4G/8G/16G/32G (not included) *Capacity (Memory Card) Recording Time: 4G max 72 hours recording, 8G max 144 hour recording, 16G max 288 hour recording, 32G maximum 576 hour recording *Full charge battery recording time: about 10 hours *Registration time *Registration time: approx.

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