2011 latest design Baoxin Wireless bluetooth keyboard mmodel:9185061.material:ABS2.key life:150000times3.charging port:Micro 5 pin USB4.charging cable:600 mm (Black)5.power:Rechargeable Lithium battery6.battery capacity:150 mAh7. pairing current:15 mA8. working current:3.5 mA9. Standby time:80 hours10. working time:50 hours11. charging time:1~2 hours12. Charging voltage:DC 5V13. Charging current:150 mA14. Chipset:Broadcom 204215. Bluetooth version:2.0 Class 2.HID 1.0 Compliant16. Frequency:2.4GHz Spectrum17. Work distance:10 meters