STETHOSCOPE LITTMANN THAT SUITABLE FOR YOU

What type of stethoscope littmann that suitable for me?
There are many types of Stethoscope Littmann and you must choose that more useful for you.

Classic
    3M Littmann Stethoscope Classic II S.E, 28
    3M Littmann Stethoscope Classic II S.E. Pediatric, 28
    3M Littmann Stethoscope Classic II S.E. Infant, 28
    3M Littmann Master Classic II Stethoscope, 27
Cardiology
    3M Littmann Soft Touch Cardiology (STC) Stethoscope, 27
    3M Littmann Stethoscope Cardiology III, 27
    3M Littmann Stethoscope Cardiology III, 22
    3M Littmann Master Cardiology Stethoscope, 27
    3M Littmann Master Cardiology Stethoscope, 22
    3M Littmann Stethoscope Binaurals for Master Cardiology & Cardiology III Stethoscopes, 27
Teacher
    3M Littmann Teaching Stethoscope 2138, Classic II Style, 40
    3M Littmann Teaching Stethoscope 2139, Master Classic II Style, 40
Electronic
    3M Littmann Electronic Stethoscope Model 3100, Black Tube, 27
    3M Littmann Electronic Stethoscope Model 3100, Plum Tube
    3M Littmann Electronic Stethoscope Model 3100 Hunter Green
    3M Littmann Electronic Stethoscope Model 3100 Navy Blue
    3M Littmann Electronic Stethoscope Model 3100 Burgundy
    3M Littmann Electronic Stethoscope Model 3200, Black Tube 27
    3M Littmann Electronic Stethoscope Model 3200, Navy Blue
    3M Littmann Electronic Stethoscope Model 3200, Burgundy
Veterinary
    3M Littmann Master Classic II Veterinary Stethoscope 1392, 32
Special Edition
    3M Littmann Classic II SE Stethoscope With Brass Finish, 28
    3M Littmann Cardiology III Stethoscope, 27, Chocolate Tube & Copper Chestpiece
    3M Littmann Master Classic II Stethoscope, 27 Black Edition with Black Plated Chestpiece
    3M Littmann Master Classic II Stethoscope, 27 Gold Edition with Gold Plated Chestpiece
    3M Littmann Master Cardiology Stethoscope, Black, 27, Black Plated Chestpiece and Eartubes
    3M Littmann Classic II SE Stethoscope With Rainbow Finish, 28
    3M Littmann Master Classic II Stethoscope, 27 Gold Edition with Gold Plated Chestpiece

Other
    3M Littmann Lightweight Stethoscope II S.E, 28
    3M Littmann Select Stethoscope, 28