Wireless signal receiver (USB Wireless Dongle / Transceiver) from Razer (Model Number RC30-022301), commonly used to connect computers or gaming consoles to wireless headphones. Item Type: USB Wireless Adapter/Receiver (Dongle) for connecting audio devices or headsets. Manufacturer: Razer Inc. Compatibility: Used as a replacement or original part to connect some models of Razer wireless headsets (such as Nari models or similar in the series).