According from ifixit tear down this Magic Mouse is uses the Broadcom BCM2042 Bluetooth chip and it’s covered in capacitive sensors from the Apple logo on up, and it’s hard to break into.
For more information visit iFixit website 
A new apple iMac, Mac book,Magic mouse and Mac mini just came out a few day ago…
Firstly, The new iMac, packed with a dual-core Intel processor starting at 3.06GHz, and also available with Quad-Core Intel i5 or i7 processors, this is the fastest iMac yet.
Next is the low-end MacBook at a more affordable price . It features a long battery life of up to 7 hours, a LED-backlit display and a glass multi-touch touchpad.
Later, The Magic Mouse is no ordinary mouse; apart from being able to perform the normal functions such as scrolling, pointing and clicking, the Magic Mouse comes with a seamless Multi-Touch surface – the World’s First Multi-Touch mouse. This sleek little accessory lets you do zoom, scroll in multi-direction and even swipe through images with just a mouse connect via Bluetooth.
Finally is a Magic Mouse , magic mouse is no ordinary mouse; apart from being able to perform the normal functions such as scrolling, pointing and clicking, the Magic Mouse comes with a seamless Multi-Touch surface – the World’s First Multi-Touch mouse. This sleek little accessory lets you do zoom, scroll in multi-direction and even swipe through images with just a mouse connect via Bluetooth.
For more information you can visit official apple website …