Product description: Product features: 1. Product function: recording, radio, earphone, AUX, TF card 2. Press the function key MODE to switch between FM, AUX, and TF modes. 3. Recording function. In the MP3 state, short press the REC button to record, press it again to end the recording and play the recording content; long-press the REC button to delete the recording content. 4. It can be used by inserting a TF Card. 5. It can be used by plugging in headphones. Don't disturb others, just listen to what you want. 6. AUX external sound input. Connect this product to a computer and other devices through an audio cable, and you can play music through this product. 5. Intelligent power-saving mode. 60s automatic screen off. 6. Support loop playback. You can choose a single track loop or an entire folder loop. 7. LED lights. The LED light is red when charging and green when fully charged. 8. Built-in 500Mah battery, the highest volume can play 2-4 hours, 1/3 volume can play 5-10 hours. 9. Support SD card. Product name: radio Material: ABS Model: L-328 Audio frequency: FM: 87.5-108MHz Frequency range: 8-320KBPS Battery capacity: 500mAh (included) Signal-to-noise ratio: 87dB Expansion Type: USB/Micro-SD Card Output power: 3W Supported audio format: MP3 TF card: maximum 16G (not included) Charging indicator light when fully charged: green Features: handheld, multi-function, rechargeable Size Details: 9.5cm x 4.8cm x 1.8cm Notes: Due to different lighting and screen settings, the color of the item may be slightly different from the picture. Please allow for slight size differences due to manual measurements. Package Includes: 1 x radio (battery included) 1 x Charging Cable & Audio Cable 1 x User Manual