1、Using ABS chocolate key core, the keyboard can be separated, and the PU leather is used for high‑end ambidence. 2、Leather case size is suitable for Samsung Tab S7 11‑inch 2020 version T870 / T875 tablet, keyboard supports for Android system. 3、The keyboard is detachable and connects to the tablet computer via wireless connection, which can be used as a protective cover or used alone. 4、High‑quality and long‑life keyboard mechanism to ensure a comfortable and fatigue‑free input experience. 5、This keyboard has a backlight function, easy to use, very stylish, beautiful and elegant.Fully protect the shock‑proof shell, the soft microfiber lining can protect your screen and keep the display clean. Item Type: Keyboard Case Material: ABS,PU Color: Gold, Black, Rose Gold Applicable Models: for Samsung Tab S7 11-inch 2020 Version T870/t875 Bt: Bt 3.0 Standard Interface Modulation Method: GFSK Working Voltage: 3.0-4.2V Working Current: <2.5mA Standby Current: <0.3mA Sleep Current: <40uA Charging Current: >200mA Keystroke Force: 80 ± 10g Built-in Battery Capacity: 200mAh (polymer Lithium Battery) (shipped with Built-in Battery) Battery Life: 3 Years Charging Time: 3-4 Hours Continuous Working Time: 100 Hours Standby Time: More Than 100 Days Button Life: 5 Million Times Effective Operating Distance: 10 Meters / 10.9yd Backlight Function: Support 1 x Keyboard Case 1 x Keyboard 1 x USB Cable