The Shure SM11 is a miniature dynamic lavalier microphone. It has an omnidirectional pickup pattern, and its frequency response is optimized for lavalier use 

What is the SM11 best suited to?

The Shure SM11 is designed for use in television broadcasting, sound reinforcement, certain radio and motion picture applications, and similar uses where a small, professional-quality microphone is required.
What are the characteristics of the SM11?

The SM11 has an omnidirectional pickup pattern, and its frequency response is optimized for lavalier use. It acoustically matches most stand or desk mounted microphones. The smooth exterior and recessed grille screen minimises clothing noise and the included tie tack and tie clasp gives you different mounting options.

Features

• Acoustically matches most stand- or desk-mounted microphones
• Small and lightweight for unobtrusive, virtually unseen operation
• Smooth exterior and recessed grille screen minimize clothing noise
• Rugged aluminium case construction
• Extremely flexible long-life cable
• Two mounting options — tie clasp or tie tack
• Convenient, secure belt clip attaches connector to belt or clothing

Package has been opened but mic is unused, brand new