HP Pro Slate 12 Bluetooth Keyboard Case, HP, Pro Slate 12, Black, 30.5 cm (12"), Microfibre, 3.0+HS HP Pro Slate 12 Bluetooth Keyboard Case. Brand compatibility: HP, Compatibility: Pro Slate 12, Product colour: Black. Bluetooth version: 3.0+HS. Battery technology: Lithium Polymer (LiPo), Battery capacity: 300 mAh. Width: 320 mm, Depth: 243 mm, Height: 25 mm