1.New software programming，tuning fast and accurately. 2.High-light color display with lens to protect the screen from scratching. 3.Lithium rechargeable battery，is environmental friendly and energy saving. 4.Bicolor clip-design with soft rubber covered, provides a better feel and protects your guitar neck. 5.Blue/white switchable high-light LED-flash button design，also can be used as flashlight for your music stand. 6.Ultra-thin body with no screw design，boutique appearance. 7.Second generation tuner with two patents. As a second generation tuner, COBRA is going to change everything.