Bluetooth version:V5.0<br> Delivery content:<br> 1 x ELEGIANT BT-066 Bluetooth adapter<br> 1 x Micro USB charging cable<br> 1 x 3.5mm audio cable<br> 1 x 3.5mm jack to 2 RCA plug cables<br> 1 x Digital Optical Toslink Audio Cable<br> 1 x user manual