Surrounded by a HaloMany things have changed on Halo75s V2, even the classic look has taken a major makeover to look more Halo.The top shell is still made of high quality aluminum alloy,Surrounding lights at the bottom can make the keyboard have a better visual experience. Multiple ConnectivityHalo75 V2 mechanical keyboard supports Bluetooth/2.4GHz/USB-C connectivity and is compatible with macOS/Windows/Linux/Android/iOS. Wireless mode allows you to connect up to four devices at the same time and switch between the four devices at will, allowing you to go from office to gaming with ease. QMK/VIA supportIt only makes sense to extend the great customizability achieved on Halo75 V2s hardware to its firmware as well. With the open-source QMK/VIA firmware, its endless key mapping, light customization, and other creative possibilities, our hardwares potential can be truly realized. EnduranceThe battery capacity is 4000mAh;Working Time (all lights on): 9~91 hours;Working Tim