[Tri-Mode Connection & Large Capacity 8000mAh battery]: MCHOSE G75 PRO Bluetooth keyboard provides three connection modes, including BT5.0, 2.4GHz and USB, which can connect up to 3 devices and easily switch by FN and key combination. The rechargeable keyboard built-in 8000mAh large capacity battery provides more power and 400 hours battery life. [Superior Customization & Sound Experience]: The G75 PRO mechanical keyboard combines a 5-layer gasket structure design for exceptional noise dampening and shock absorption, delivering a pure HiFi Mahjong sound with pre-lubed creamy linear switches, while the hot-swappable PCB allows effortless customization with any 3-pin or 5-pin switchesno soldering required. Whether for gaming or typing, this wireless keyboard ensures a premium, consistent feel with every press. [Ergonomic Design & Compact Layout] Designed with ergonomic principles, the G75 PRO NKRO mechanical gaming keyboard features a golden angle for all-day typing comfort,