Model: OPUS
Key: Bb Key
Number of Valves: 4 rotary valves
Level: Intermediate 
Lever Action: Mechanical
Bell Type: Two Pieces Bell
Body: Yellow Brass 
Finish: Clear lacquer

Comes with:
A hard case,
Silver plated mouthpiece,
Rotary oil,
Cleaning cloth,
Gloves.

1 year warranty labor and parts，local service by MusicM.