**1. Bluetooth version 3.0
**2. Wotking distance: 10M
**3. Charging time: 3-4 hours
**4.Solution: Broadcom
**5. Keyboard layout: 68keys
**6. Built-in rechargeable li-ion battery
**7. Color LED for working status indication
**8. Auto power saving
**9. Compatible system:
1) Computer system: Win 2000/me/XP/VISTA/7/8
2) Symbian system: Symbian S60 V3 V5
3) Microsoft system: Windows mobile 6.5 WP7/8
4) Apple system: iOS4 or above
5) Android 3.0 or above