5.1: Header: Material: aluminum alloy, zinc alloy Default aluminum alloy color: black, blue, gray or customer specified 5.2: Inner
capsule: material: latex, default PVC color: black or customer specified 5.3: Pressure ball: Material: latex, default PVC color:
black or customer specified 5.4: Inlet valve: Material: zinc alloy, copper, plastic Default: zinc alloy electroplating treatment
5.5 Tail valve: copper or plastic Default: copper plating 5.6: Bag: Human leather bag can be printed with LOGO and normal printing
by default default neutral packaging 5.7 Strap: A. Color: The color of the armband is specified by the customer. The default is
black. B. Size: The optional size is divided into (adults, adults, teenagers, children, and babies default to adult C, material:
nylon, cotton, PU defaults to Nylon D, printing: printable LOGO E, strap with iron ring 5.8: Ear head: Specifications: ordinary
single ear, ordinary double ear Material: aluminum alloy, zinc alloy Surface treatment: aluminum alloy zinc oxide alloy plating
Default: aluminum alloy ordinary single ear 5.9: Y tube (Stethoscope tube): A, material: PVC B, color: customer specified default
black 5.10: Ear hook: A, material: aluminum alloy, copper, stainless steel B, surface treatment: aluminum alloy, copper plating
treatment, stainless steel original color 5.11: Packaging: 1pcs in a box, color box packaging, customer specified printing default
neutral packaging