Try the following steps to fix issues with your CK721 in Bluetooth mode.
CK721 keyboard is equipped with the latest Bluetooth Low Energy (BLE), which is the latest generation of Bluetooth and is not compatible with a device with an older version of Bluetooth (Version under Bluetooth 4.1).
To make sure the CK721 keyboard is compatible with your device, here are checking suggestions:
1. Make sure your device has been updated to a recent operating system:
2. Check if BLE is supported by your device hardware
Please click here and follow steps to repair and connect CK721 to your PC, tablet or phone.
Make sure to follow the pairing steps and the indicator and DEL/PGUP/PGDN keys light up with a solid GREEN light for 3 seconds, the pairing is successfully complete.
For more help, please contact [email protected]
If you’re having connecting issues listed as below under Bluetooth mode, here are some troubleshooting suggestion:
|Connection Drops||CK721 Under Low Battery Level|
|Delay When Using The Keyboard||CK721 subjects to RF interference from other sources, such as other wireless devices, mobile phones, and so on.|
|CK721 Cannot be connected at all||CK721 with Old Firmware Version|
|Potential hardware issue (CK721 or Batteries)|
|Connected device with old operating system (OS) or incompatible hardware|
Troubleshooting CK721 Connection
If the problem still persists, please contact [email protected] for more help.