This is a dedicated wireless LAN adapter made by Onkyo that enhances the network audio environment when connected to the USB port of an AV amplifier. Connect the UWF-1 to the front USB port of the device and connect it to a wireless LAN router. Connection Type: USB 2.0 Standards: IEEE802.11n/IEEE802.11g/IEEE802.11b Frequency Range: 2.4GHz Maximum Dimensions: 29.8 (W) x 8.4 (H) x 17.0 (D) mm Weight: 3.4g [Appearance] Overall, it is in relatively good condition. [Operation] Operation has been confirmed with the CR-N765.