Features: Brand new and high quality Black color. 2.4Ghz Wireless. Compatible with for Viper V2 PRO ,Deathadder V3 PRO, Naga V2 PRO ,Viper MINI SE,Basilisk V3 PRO wireless Gaming mouse. When you receive the Dongle, please use the software pair your mouse. Components Included: 1PC for Razer HyperPolling True 4KHz Wireless Dongle. Specifications: Connect : Wireless Interface: USB Type C Wireless transmission frequency: 2.4GHz Use: for Viper V2 PRO ,Deathadder V3 PRO, Naga V2 PRO ,Viper MINI SE,Basilisk V3 PRO Note: Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you Package includes: 1PC x Wireless Dongle