Bluetooth keyboard holster $ 31.75 product manual Applicable models: Apple 2018 iPad Pro 12.9 Bluetooth: Bluetooth 3.0 Features: ABS chocolate key core, keyboard can be separated, using PU leather, high-end atmosphere. Functional characteristics: Fn combined multimedia function Applicable system: The holster size is specially designed for the Apple 2018 iPad Pro 12.9 tablet. The keyboard supports Android system and can be used in many ways; Support protocol: Bluetooth 3.0 / 4.0 / 1.1 Power supply via USB interface Lithium battery capacity: 200 mAh Working environment temperature: -10- + 55 Charging time: 4-5 hours (the first charge should be full 8 hours, and it can be used later) Use time: 95 hours Standby time: 120 days Key life: 500 million times Effective operating distance: 10 meters