Tri-Mode Connection Mechanical KeyboardATTACK SHARK M87PRO V2 wireless keyboard support multi device connection by USB C wired, 2.4Ghz wireless and Bluetooth 5.0, allowing seamless switching among up to 5 device, make work, study and gaming more efficient and flexible, equipped with 5000mAh large capacity battery, ensure a long term endurance for one charge, support Win/Mac switchable, consider all your needs when using Hot Swappable KeyboardDesigned with hot swapped base, this 80% mechanical keyboard allow you freely DIY with most 3 pin or 5 pin switches to customize your own keyboard. M87PRO keyboard default comes with pre-lubricated finely-calibrated stabilizer and linear white jade switch, devoted to providing smooth typing feeling and creamy mechanical sound with fast response, offer a ultimate exciting gaming experience and help you win in the end Gasket Structure with 5 Layer PaddingFeatured with 20 horizontal rebound gasket mount, 5 layer filling including impor