GET IT RISK-FREE: 5 years basic service guarantee plus lifetime warranty can be easily got. Get the stethoscope made responsibly with fair price. GREAT GIFT IDEA: Comes with eartips and diaphragm replacement, name tag and detailed user manual also included, perfect new year and birthday Gift for doctors, nurses, nursing students, medical assistants, veterinary, etc. DURABLE TUBE: Latex-free, matte finish tubing can resist sweats, stains and oil, very easy to keep it clean. VERSATILE DESIGN: Turntable chestpiece and flexible tubing provide you the flexibility to hear a full range of sounds and reliable acoustic performance. SAFETY PROMISE: Metal O-Ring on the diaphragm side can be removed easily and be disinfected more thoroughly. It helps prevent cross infection and keep the medical providers and patients safer.