Brand new, unopened. This is an I-O DATA Wi-Fi adapter (USB adapter) compatible with Bluetooth® v4.0 and IEEE802.11ac standards. It supports both 5GHz and 2.4GHz bands, and can communicate at 433Mbps (standard value ※1). - Brand: I-O DATA - Model Number: WNPU583B - Interface: USB - Communication Frequency: 2.4GHz band, 5GHz band - Maximum Speed: 433Mbps - Security: WPA3 Personal, WPA2-PSK, WPA-PSK - Bluetooth: 2.1 / 3.0 / 4.0 + EDR/HS/LE - Weight: Approximately 10g Reference Link: https://www.iodata.jp/product/network/adp/wnpu583b/index.htm