Unfortunately the Connect Four Electronic Handheld does not allow for the user to manually turn the device off. The Connect Four Electronic Handheld turns off after a period of inactivity. For any further questions consult the Connect Four Electronic Handheld troubleshooting page: Connect Four Electronic Handheld Troubleshooting
The Connect Four Electronic Handheld device uses one AA battery. In order to replace this battery, Unscrew the battery panel located on the back casing using a phillips head screwdriver. Replace the battery and reattach the battery panel. For further questions regarding the device, consult the Connect Four Electronic Handheld troubleshooting page: Connect Four Electronic Handheld Troubleshooting
If the Connect Four Electronic Handheld device freezes, you may reset the device by pressing "sound," "On/Enter," and "High Score" simultaneously to reset the device. You may also try replacing the battery. For further questions on the device, consult the Connect Four Electronic Handheld troubleshooting page: Connect Four Electronic Handheld Troubleshooting