Product information: Product Model: AK832 Pro Button layout: 81 keys Wire Length: 1.6m Battery capacity: 2500mAh Shell material: ABS injection molding Key cap material: PBT double injection Matrix: all keys without punching Structure: Gasket structure Product Size: 318x135X26mm Lighting effect: RGB (20 sets of lighting effects) Interface Type: key line split Type-C interface Transmission mode: USB wired 2.4g wireless 5.1BT Supported systems: Windows Vista/XP/7/8/10/11, MAC, Android