For iphone 4 buletooth wireless folio keyboard case
Shenzhen Zena Electronic Ltd. [China] 
1.easy to carry and 77 key 2.one year warrenty 3.keep it use long time,looks like new face 4.key board covers
| Key Features |
| 1. Built-in lithium battery, portable mini-USB interface for convenient charging and charging management instructions. |
| 2.Use Broadcom 2042 master chip with bluetooth2.0 interface. |
| 3.Structural design ergonomically. |
| 4.Use the Bluetooth industry leading software solutions, the WIDCOMM BTW (Microsoft officially designated software) Bluetooth software. |
| 5 built-in software solutions with Bluetooth human interface device and comply with the Bluetooth SIG Bluetooth2.0 version specification. |
| 6.Support for Sony PS3. |
| 7.Support a variety of Bluetooth mobile phone keyboard input at the same time. |
| 8 Support for Windows XP / Windows 7/Vista / Mac operating systems. |
| 9.Frequency range: 2.4 - 2.4835 |
| 10 Receive Sensitivity: the - 75bm (standard), up to 4bm, ultra-low radiation. |
| 11 operating distance: 10m |
| 12.Operating Temperature: -30 ~ 80 °C |
| 13 Humidity: 30% -90%. |
| 14 Li-ion battery Capacity: 160mA |
| 15 continued use of the time: 40 minutes |
For iphone 4 buletooth wireless folio keyboard case
