The Air version of PC75B Plus v2 and PC98B Plus come with OSA profile Mac keycaps and the new Akko Air switches, offering a smooth Mac desktop integration.. Main Features:. Top mount structure improved from the v1. 75% Mechanical Keyboard with A Knob. Hotswap terminal, compatible with3/5-pin mechanical switches, supports Cherry Switch/ Gateron Switch/ Kailh BOX Switch, etc. PC75B Plus with Beken Plus Multi-modes ChipBluetooth 5.0/2.4GHz/Type-C Wired Triple Modes. PC Plate & CR Cotton Layer & Silicon Case Foam. PBT Keycaps & 18 RGB Backlight Effects. Battery capacity: 3000mah; SMD LED RGB backlit;. Polycarbonate plate & case;. IXPE switch pad; Silicone case foam;. Akko Switch Optionen: