Retro design with modern features: You can enjoy FM radio bands as well as stream your favorite songs from your smartphone via Bluetooth connection or Play tracks from Micro SD card/USB storage.Stable Bluetooth 5.0 Wide-range Connectivity: Enjoy your favorite tracks wirelessly from your smartphone or any other Bluetooth-enabled device such as a tablet, laptop, or portable music player.Bass Enhance Knob & Built-in Full-range Speaker: 5W high-quality speaker unit inside, provides distortion-free sound reproduction. You can also adjust the bass level using the bass knob.Enjoy Tracks from Micro SD Card/USB Storage or AUX input: It's not only an FM radio/Bluetooth speaker but also a music player when you insert a Micro SD card or plug a USB storage with songs. Supports up to 128GB memory. It also has a 3.5mm AUX input port that supports audio input via audio cable (included).Built-in 1800mAh Rechargeable Battery: Provides up to 10 hours of continual music streaming or FM radio reception (at mid-volume). Easy to recharge via a cellphone charger or any other USB power output of 5V/0.5~1A (USB charger adapter not included)【Charging Port Upgraded】We have upgraded the charging port to a Type-C port, which is more durable and convenient, you can use any Type-C charging cable to recharge the radio with a cellphone charger or other USB charging port.