The EmWave Pocket Stress Reliever. Bio-feedback marries a designer and comes out looking all shiny and silver. $199.99 says this will remove your stress a lot faster than holding a live grenade. Probably.
Its features include four challenge levels, brightness control, audio feedback, coherence scoring and feedback, ear sensor, an advanced user mode, rechargeable lithium battery with charger, carrying case, Quick Start Guide, and complete owner’s manual. Additionally, emWave includes the Coherence Coach CD, an entertaining software application that teaches HeartMath’s scientifically-validated Quick Coherence technique.