Olsenmark Wireless Speaker, 2.0 Ch Bluetooth Speaker, Black - OMMS1287 Portable Bluetooth speaker 2.0CHBluetooth version5.0, Support for audio file formats - MP3, WAV, Support for FM radioClean and powerful sound output; Safe easy pairing for easy operation.TWS function provides true wireless Bluetooth playback with double enhancement of stereo soundThanks to A2DP Bluetooth, music can be streamed wirelessly network from any Bluetooth enabled device, such as a smartphone, laptop, iPhone or iPad.