Builtin FM radio module with the AUX line used as the antenna for radio reception. This design allows radio listening with a minimal setup. Rechargeable battery for longer battery life and portable use, helping you enjoy music away from power outlets. Broad compatibility with mobile phones, tablets, and various apps, making it easy to stream music from your preferred devices and services. Flexible playback options to fit different needs: Bluetooth wireless streaming, TF card playback, and AUX input all supported. Simple, multisource operation lets you switch between listening methods without changing devices. Use scenarios Home or office listening: Pair with a phone or tablet via Bluetooth for wireless music playback, or insert a TF card or use AUX input for direct playback from other devices. The builtin radio provides additional listening options without extra gear. Outdoor activities and travel: With a rechargeable battery, the unit is suitable for parks, picnics, hikes, or camping. Use Bluetooth to stream music from a mobile device, or use TF card or AUX input when a direct connection is preferred. Everyday mobility and convenience: Take it on commutes or errands as a portable audio companion. Connect to a smartphone or tablet through Bluetooth, or use TF card/AUX for flexible playback in various environments.