Bluetooth Keyboard Leather Tablet Case1. Uses highquality chips with stable performance.2. Builtin 150mA lithium battery, can last for 200 hours.3. Specially equipped with Micro USB cable for charging, charging for about 3 hours.4. Sleep function if no operation is performed, the keyboard will automatically enter power saving mode within 15 minutes5. Universal for iOSAndroidwindowssystem.6. 59 button design, with 14 IPAD keyboard shortcuts.7. The keys are screenprinted with UV peritoneal treatment, which is durable and will not fade after 5 million frictions and strokes. The surface of the keyboard is brushed, which is very tetured.8. Safot button design, sensitive typing, fast response and good hand feeling.Product specifications1. Modulation mode GFSK2. Working voltage 1.83.6V3. Charging time 3 hours4. Lithium battery capacity 150 mA5. Sustainable use time 200 hours6. Lithium battery life 3 years7. Standby time 30 days8. Size 248mm150mm6.4mm9. Net weight 460g