Y-619 FMAM Mini Radio MP3 Rechargeable Music Player Support TFSD Card with LED Display 1. Can insert U disk, TF card. 2. Number selection, breakpoint memory, repeat loop (single loop, folder loop, overall loop). 3. With FM radio, recording function, headphone jack and AUX input hole. 4. With power switch and volume dial, powervolume display function. 5. LED light charging indicator (charging light on, full light off), can be used as a flashlight. parameter: 1. Body material: ABS 2. Power supply: DC 5V 3. Output power: 3W 4. Band Type: Multi-band 5. Frequency response: 70HZ-108KHZ (HZ) 6. Signal-to-noise ratio: greater than or equal to 82dB 7. Output: 3.7V~4.2V + 0.05V 8. Radio FM mode: automatic channel selection 9. Supported format: MP3 10. Battery: 600HAM capacity, BL-5C battery can be removed and replaced 11. Charging port: micro charging port Package Included 1 radio 1 x USB charging cable 1 x English manual