NEW & IMPROVED INTERNALS FOR CLEARER VOCALIZATIONS - The Quad Grunter 2.0 delivers enhanced sound clarity, mimicking mature buck grunts, young buck grunts, doe bleats, and fawn bleats with greater precision, ensuring you draw in the right game every time ADJUSTABLE O-RING FOR VERSATILE CALLING - Easily adjust the O-ring along the soundboard inside the mouthpiece to switch between four deer calls in one tool. Whether you're targeting a mature buck or a cautious doe, the Quad Grunter 2.0 has you covered FOUR DEER VOCALIZATIONS IN ONE CALL - This call offers the versatility of projecting mature buck grunts, young buck grunts, doe bleats, and fawn bleats with a single, easy-to-use device. Perfect for hunters who need adaptable, all-in-one solutions EASY OPERATION FOR HUNTERS OF ALL LEVELS - With its simple O-ring adjustment, the Quad Grunter 2.0 is user-friendly for both beginners and seasoned hunters, making it an essential addition to any hunting kit DURABLE DESIGN FOR RELIABLE PERFORMANCE - Built to withstand harsh hunting conditions, this call's sturdy construction ensures long-lasting performance, making it a dependable choice for any hunting season