Snark® ST-8 Titanium.
For great tuning
in noisy places!
Room noise is the enemy of great tuning. Voices, other instruments, and other sounds confuse your tuner! SNARK® TITANIUM™ blocks much of that room noise. For the best tuning ever in noisy places!  
And... It's rechargeable!
Snark® ST-8 Titanium™ Rechargeable!
Snark® Titanium™ Sound Shield Blocks Room Noise
Snark® Titanium™ Stops Background Noise