Specification: Item Type: Ajazz Mechanical Keyboard Connection Method: + wired Shaft Body: Mechanical key shaft Built-in Battery: 2000 mAh rechargeable lithium battery Number of Keys: 87key No Punch Quantity: Wired mode supports full key no punch Wire: Approx. 1.6m / 5.2ft Usage: 1. USB connection 2. connection, control keyboard Package List: 1 x Keyboard 1 x Power Cable 10 x Replaceable Buttons 1 x Button Folder 1 x User ManualReasonable Design: Ajazz Mechanical Keyboard With professional design and reasonable structure, the keyboard is easy to use and operate. High quality material can make sure the durability and stability of the product. Package List:1 x Keyboard,1 x Power Cable,10 x Replaceable Buttons, 1 x Button Folder,1 x User Manual. RGB 1.6m Wired Dual Mode: The 18 colorful RGB light effect greatly creates game feeling, immersing yourself in using it. Connection Method: + wired, Dual mode connection, supporting USB wired or connection, makes it easy to switch. Number of Keys: 87 keys layout is fantastic for gamers, typists and office workers, making the mechanical keyboard capable to meet various working and entertaining needs. Number of Keys: 87 keys layout is fantastic for gamers, typists and office workers, making the mechanical keyboard capable to meet various working and entertaining needs.