How to change Airdrop sharing settings on Mac

Send items

You can send items from the Finder, the desktop, or from within apps such as Safari or Maps. Use one of the following methods to send items using AirDrop:

• From the desktop or a Finder window: Control-click the item you want to send, choose Share > AirDrop from the shortcut menu, then select the device you want to send it to.
• From the Finder: Click AirDrop in the Finder sidebar, then drag the item to the device you want to send it to.
• From an app: Click the Share button in the app’s toolbar, choose AirDrop, then select the device you want to send it to.

If you don’t see the device you want to share an item with in the AirDrop window, click “Don’t see who you’re looking for?”

An article : macOS Sierra: Use AirDrop to send files to devices near you

Open system preferences > security & privacy > firewall > click on firewall options .

Uncheck block all incoming connections and do exactly the settings as shown in the screen shot .

Go to finder click on turn on wifi & Bluetooth then select everyone or contacts only & try to share file between IOS & Mac computer or vice versa , make sure the two devices must be near to each other and having fantastic network speed .

I'm having a similar problem, on my Mac Air (el capitan), it's Airdrop can't detect thus can't transfer file to my iphone 6, vice versa.

I have tried to sent picture among my iphones (6 and 6 plus) and its successfully. Can anyone help me?