9" Ultra-Thin Bluetooth Keyboard With Russian Letters For Apple iPad IPhone 4 5 6 6s plus Android Devices and Windows Tablets Compatible with Apple iPhone 4/4s /5/5s/5c/6/plus/iPad mini & Retina Display, iPad 2/3/4, iPad Air. /Windows (Microsoft Surface/ Dell Venue 8 Pro/ Lenovo IdeaTab Miix 2 /ThinkPad 8/ Toshiba Encore/ Acer Iconia W4/ Nokia Lumia 2520/ Asus ViVoTab)/Android Tablet Samsung Galaxy Tab / Samsung Galaxy Note / Google Nexus 7 /Asus MeMO Pad / Other Android Devices) Russian Letters Version,Real "hard" laptop style keyboard with high end ABS material. A spring mechanism underneath each key ensures a tactile response with every stroke, helping you to type faster and with less error than on a touchscreen. Built-in rechargeable li-ion battery, charged through USB charging cable. Slim and portable, lighter and slimmer than other portable keyboard selling in the market Bluetooth Version: Bluetooth V3.0; Frequency: 2.4GHz; Working range: 10M; Size: (230mm*120mm*4.5mm).