Hello friends I will show how create a stock vector illustration 3d bluetooth device images tutorial.
I have used following techniques shown below in this 3ds max tutorial.

[1]-Choose the Box and create box with the following size
Place the box like me

[2]-Create two rectangle with the following size and apply the extrude modifier with the amount of -15.0
Now after that palce like me

[3]-Create cylinder with the following size and place like me

[4]-Create another small box and place like me

[5]-Create one more box with the following size and place like me

[6]-Create box with the size and convert into the editable poly
Now select the edges like me

[7]-Apply the extrude edges with the good following amount as shown below

[8]-Select the two polygons and apply the extrude polygons with the good following amount as shown below

[9]-Your object should like this

[10]-Create one more box with the following size and place like me

[11]-Switch to the Boolean now boolean the object like me

[12]-Create chamfer box with the following size and place like me

[13]-Create rectangle with the following size and apply the extrude modifier with the amount of -2.5

[14]-Place the rectangle like me

[15]-Again switch to the Boolean now boolean the object like me

[16]-Make the materials like me and assign the materials like shown below

[17]-This is the final result