Sena 20S- EVO replacement control unit compatible and interchangeable with the 20S 30K, 50S model. It is NOT a complete kit. NO FM RADIO
In the event of an irreparable failure or poor battery life, this SENA 20S - 20S-EVO control unit solves the problem, simply detach it from the helmet and replace it with this product, which is also compatible with the old version.
Compatible with audio kits: 20S, 30K, 50S. Perfectly interchangeable.
USB charging cable different from the old version, the purchase of the USB Type-C charging cable is recommended