Product Description ------------------- Enjoy better acoustics with the raised diaphragm that leads to greater sound amplification. This sleek and attractive stethoscope features a color coordinated snap-on diaphragm retaining ring and non-chill ring. A limited lifetime warranty is included when you purchase this MABIS stethoscope. Manufacturer Contact Information -------------------------------- HealthSmart International, 1931 Norman Ave, Waukegan IL 60085, Service@LiveHealthSmart.com