Characteristic: 1. Brand new and high quality. 2. High power 5W with bass diaphragms. 3. Call function, noise canceling microphone allows you to answer calls without reaching the phone. 4. FM radio allows you to listen to radio freely. (In radio mode, press the play / pause button for 3 seconds, it will automatically search and store radio stations.) 5. Support TF card or misro SD card up to 32G, support USB 2.0 disk. 6. Support USB flash drive plug and play. 7.Support external MP3 / MP4 / computer and other audio input (AUX) functions 8.Bluetooth-compatible 5.0, fast connection and stable signal, compatible with all bluetooth devices. 9. 1200mAh battery provides up to 8 hours of playback at 2/3 volume when fully charged. 10. Support TWS connection function, two speakers are connected at the same time to create a real stereo sound system (press the "+"or "-"button twice after booting). how to use? Switch music or radio mode: short press the M key to switch In radio mode, the default is FM, long press the pause button to start the automatic radio search, and press again to end the radio search in advance.Short press the volume key: switch the saved station Long press the volume key: adjust the volume Specification: Bluetooth-compatible version: 5.0 Bluetooth-compatible distance: <33 feet Supports: FM radio, TF card, AC input, U disk USB input, 3.5mm AC audio input, TWS in-ear headphones Expanded Memory: 32G (not included) Battery capacity: 1200mAh Charging time: 2-3 hours Listening / Talking Time: 6-8 hours Product size: 171 * 63 * 73mm Packing list: speaker * 1 Charging cable * 1 Packing box * 1