Pay Attention: 1.For Brown And Gray Adapter 2.Xbox Bluetooth Controllers On The Latest Firmware Released In Sep, 2021 Are Not Supported Any Longer, Due To Their Bluetooth Change From Classic To Ble. 3.Other Products Which Are Affected By This Change Also Include: Usb Adapter For Ps Classic, Nes Receiver, Snes / Sfc Receiver, Classic Receiver Md Receiver. 4.8bitdo Wireless Usb Adapter About The Product: 1.Play Your 8bitdo Controllers, Wirelessly, On Windows Pcs, Macs, Raspberry Pi, Laptops, Tablets And Even Nintendo Switch. 2.For Use With 8bitdo Controllers, Nintendo Switch Pro, Nintendo Switch Joy-Cons, Ps4, Ps3, Wii Mote, Wii-U Pro And More. Works With Controller Compatible Games Or Software. 3.Simply Bind The Adapter To Your Wireless Controller To Enable The Same Wireless Experience You Are Used To On All The Best Platform 4.Wireless Bluetooth, No Lag. Support Firmware Update. 1.Item Type: 8bitdo Usb Wireless Receiver 2.Color: As Shown 3.Size(L*W*H): 130x250x160mm Features: 1.Portable, Easy To Use 2.Connection: Bluetooth 2.1+Erd Class 2 (2.402ghz-2.48ghz) Package Includes: 1 X 8bitdo Wireless Bluetooth Adapter Notes: 1.Transition:1cm=10mm=0.39inch 2.Please Allow 1-3mm Error Due To Manual Measurement. Pls Make Sure You Do Not Mind Before You Bid. 3.Due To The Difference Between Different Monitors, The Picture May Not Reflect The Actual Color Of The Item. Thank You