Features:1. The wireless keyboard is designed for the Russian with Russian and English language.2. Made of good quality ABS and metal material, solid, durable and wear-resistant.3. Low consumption and energy-saving, the keyboard can last for more than 40 hours continuously, don't worry about running out of power.4. Built-in 120mAh high-performance lithium battery, avoid the bother of replacing the battery, more convenient.5. Small size and lightweight, portable, ultra-thin, and very convenient for you to carry it on your travels or business trips.6. Adopts 3.0 module. It is suitable for iOS, for Android, and for Windows, which has optimized shortcut keys for all systems.7. It can be used with smart phone, tablet computer and notebook computer.Specifications:Material: ABS + MetalColor: BlackSupported Languages: Russian, English, BilingualOperating Distance: 10 mOperating System: for Windosws, for Android, for iOSWorking Voltage: 3.0-5.0VWorking Current: < 2.0 mAStandby Current: 0.3-0.5 mASleep Current: < 25 UACharging Current: 100 mACharging Time: 4 hoursLithium Battery Capacity: 120mAUninterrupted Working Hours: 40 hoursStandby Time: 60 daysLithium Battery Life: 3 yearsKeyboard Life: 5 million TimesWorking Temperature: -10-55 + CSize: Approx. 200*125*5 mm/ 7.87*4.92*0.20 inchPacking List: 1 * Wireless Keyboard Note:This product does not include wire, users can charge for it using USB cable. 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.