Currently Being ModeratedRe: Why does bluetooth transfer require a password when I have disabled the password on both devices?Aug 30, 2013 1:18 PM (in response to richardfromswe)
Thanks for visiting Apple Support Communities.
Your computer may be prompting you for a passkey, which is a security feature of Bluetooth.
See this article for more information:
Bluetooth glossary of terms
Passkey: The authentication key used to establish a link between devices. A passkey is similar to a password, but the passkey is only used once: you enter the passkey once and won’t need to remember it.
Authentication: The process of establishing a secure connection between two Bluetooth devices. During the authentication process, both devices are asked for a passkey. The same passkey must be entered or confirmed on both devices. Some devices, such as a mouse, create and authenticate their own passkeys, while devices like keyboards or mobile phones will prompt you to authenticate the passkey the first time they pair.
Once you've entered the passkey and paired the devices, see this article for information on transferring files:
OS X Mountain Lion: Transfer files using Bluetooth