????Silicone Keyboard with Folding Leather Case for Samsung Galaxy (Black)<br>Features:<br>1. With HH1009 as main control chip¡¢ with Bluetooth 2.0 interface<br>2. Use industry-leading Bluetooth solution¡¢ WIDCOMM BTW Bluetooth soft ware which is specified software by Microsoft official<br>3. Specially design for 7500 / 7510¡¢ It will be more convenient to carry with 7500 / 7510 bag<br>4. Built-in power management software¡¢ It can automatically show the available capacity in the Microsoft Windows<br>5. Silence design¡¢ It will not affect other people£ºs rest<br>6. It is waterproof¡¢ dustproof¡¢ anti-pollution¡¢ anti-acid waterproof for silicone part<br>7. Work with PC and commercial mobile¡¢ It will be convenient to word<br>8. Wording temperature: -20 ~ 55 Degrees Celsius<br>9. Built in lithium battery¡¢ you do not need to frequently change battery<br><br>Specifications:<br><br>1. Executive standard: Bluetooth V2.0<br>2. Working distance: 10M<br>3. Modulation system: FHSS 2.4G<br>4. Transmitting power: Class 2<br>5. Operating voltage: 3.0-5V<br>6. Working current: 5.0MA<br>7. Standby current: 2.5mA<br>8. Sleeping current: 200uA<br>9. Charging current: >/=100MA<br>10. Standby time: 100 day<br>11. Uninterrupted working time: 90 hours<br>12. Charging time: 4-4.5 hours<br>13. Lithium polymer battery capacity: 430mAh<br>14. Lithium polymer battery life: 3 years<br>15. Lithium polymer battery specifications: 470 x 240 x 45mm<b