Multi-function wireless receiver, supports multiple channels, with AC adapter. Receiver only. Also, the AC adapter is not genuine, but a BOSS one. The rubber part on the side is slightly sticky. Operation has been confirmed. - Model Name: RELAY G30 - Included Items: AC adapter - Function: Wireless receiver - Number of Channels: Supports multiple channels - Cable Tone Setting: Up to 15 feet (approx. 4.5 meters) Thank you for viewing.