Features: Suitable for Edge controllers, easy to connect without installing additional software Ergonomically designed to provide players with a comfortable gaming experience without affecting the normal use of back buttons. Green backlit design illuminates every button, injecting unparalleledgaming atmosphere BluetoothCompatible connection wireless, full QWERTY and voice chat board for sending and receiving messages and chatting. The built-in speaker allows users to directly listen to all chat audio from the keyboard without the need for headphones; You can also disable this feature in the PSsettingsmenu for external headphones. Specifications: Size:approx 13x5x5cm/5.12x1.97x97in Color:Black /White Backlit:Green Material：Plastic For: Edge Controller Package Includes: 1PC Wireless Keyboard note: Due to the problems of lighting effects and shooting angles, there will be certain tolerances in the product, please understand. Please allow 0-1cm error due to the manual measurment.