1ABS chocolate key core, keyboard can be separated, using TPU cortex, highgrade circumstance, easy to use, very fashionable and beautiful circumstance. 2The leather case is suitable for Lenovo/ Tab Pro 11.5inch J706F tablet, keyboard supports for Android system, can be used in many ways. 3This keyboard is connected to the tablet over a wireless connection, which can be used for protective sleeves or separately, detachable. 4High quality and long life keyboard, mechanism to ensure comfortable and digestive input experience, fashion and thin design, easy to carry. 5Realize the shockresistant housing, soft ultrafine fiber lining protects your screen and keeps the monitor clean, perfectly fit and access all features. Item Type: Wireless Keyboard Material: ABS, TPU Applicable Model: For Lenovo/ Tab Pro 11.5 Inch J706F BT: BT 3.0 Standard Interface Modulation Method: GFSK Working Voltage: 3.0-4.2V Work Current: 200mA Buttons: 80 10g Built-in Battery Capacity: 200mAh (polymer Lithium Battery) (with Built-in Battery ) Battery Life: 3 Years Working Ambient Temperature: -20 -55 Charging Time: 3-4 Hours ("charge" Charging Indicator is On, Automatically Extinguished when Full Continuous Working Hours: 100 Hours Standby Time: More Than 100 Button Life: 5 Million Times Effective Operation Distance: 10 Meters Backlight Function: Support 1 x Artificial Leather Cover 1 xWireless Keyboard (Backlight) 1 x Charging Cable With builtin battery .Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.