1. Can play MP3 music in TF card and U disk 2. The radio can automatically scan and memorize channels 3. Rechargeable BL-5C lithium battery (included), which can be charged by connecting to a computer or a USB power adapter via a USB charging cable 4. With standard 3.5mm headphone jack, it can be used for listening to radio and music with headphones 5. Radio channels and MP3 music can be selected by 0-9 number keys 6. With MP3 repeat playback function, you can control the loop to play the current MP3 music 7. In MP3 mode, when power off, the current music can be played when power on next time 8. Ultra-thin woofer for better high-bass HIFI sound 9. Large LCD screen, more elegant and clear appearance 10. With LED flashlight, very convenient when going out at night parameter: 1. FM radio frequency: 70 - 108MHz 2. Support: FM, volume control, LCD screen, TF card music playback, LED lighting, speaker 3. Connection: Wired 4. Interface: USB2.0, Mini USB, charging port, TF card slot 5. Material: ABS 6. Power output: 2W 7. Frequency: 150Hz-20KHz 8. Signal to noise ratio: 80dB 9. Distortion: less than 10% 10. Charging voltage: DC5V 500mA 11. Battery capacity: 800mAh 12. Product Dimensions (L x W x H): 11.8 x 6.4 x 2.0 cm 4.64 x 2.52 x 0.79 inches