Features: Rechargeable, with RGB colourful light effect. Interchangeables switches tester, fun catcalls and duckcalls. Unique design of fun catcalls and duckcalls, with colourful RGB lighting effects. Replaceable axles body for Game enthusiasts, programmers, office worker, Keyboards enthusiasts and other users who have highly requirements for keyboards. for game competition, office work, programming development and other occasion that require frequent use of the Keyboards. Specifications: Component: ABS Size:about:2.5X5.50CM/0.98x2.17in (Duck) 2.5X4CM/0.98x1.57in 2.5X4.50CM/0.98x1.77in( Wood Fish RGB light:Yes Quantity: 1PC Package Includes: 1PCs Tester Keychain note: Due to the problem of lighting effect and shooting, there might be tolerances in product, please understand. Please allow 0-1cm error due to the measurment.