Hi,
Do you match these requirements ?
Supported devices for Handoff, Instant Hotspot, Phone Calling, SMS, and AirDrop
Handoff and Instant Hotspot
Supported by the following Mac models:
MacBook Air (2012 or later)
MacBook Pro (2012 or later)
iMac (2012 or later)
Mac mini (2012 or later)
Mac Pro (late 2013)
Handoff and Instant Hotspot work with iPhone, iPad, or iPod touch with iOS 8 and the Lightning connector.
Phone Calling and SMS
Requires iPhone with iOS 8 and a Mac with OS X Yosemite. Requires activated carrier plan.
AirDrop
AirDrop between OS X and iOS is supported by the following Mac models:
MacBook Air (2012 or later)
MacBook Pro (2012 or later)
iMac (2012 or later)
Mac mini (2012 or later)
Mac Pro (Late 2013)
AirDrop to iOS devices requires iPhone, iPad, or iPod touch with iOS 7 and the Lightning connector.
AirDrop between two Mac computers is supported by the following Mac models:
MacBook Pro (late 2008 or later)*
MacBook Air (late 2010 or later)
MacBook (late 2008 or later)*
iMac (early 2009 or later)
Mac mini (mid 2010 or later)
Mac Pro (early 2009 with AirPort Extreme card, or mid 2010 or later)
* The MacBook Pro (17-inch, late 2008) and the white MacBook (late 2008) do not support AirDrop.
8:09 pm Saturday; December 27, 2014
iMac 2.5Ghz i5 2011 (Mavericks 10.9)
G4/1GhzDual MDD (Leopard 10.5.8)
MacBookPro 2Gb (Snow Leopard 10.6.8)
Mac OS X (10.6.8),
Couple of iPhones and an iPad