Breathing Resistance Training Mask for Sports and Workout "New Arrival" 360° closely fit the face

360° closely fit the face to ensure breathing filtrated

Adjustable Bolo Bracelet Up To 9 Inch

clear LCD display with just one button

Comfortable fit with elastic ear loops

skip-free stereo sound

Breathing Resistance Training Mask for Sports and Workout "New Arrival" 360° closely fit the faceWith many levels of resistance, this training mask is perfect for those working out and trying to get their gains! Great for all sports such as exercising, running, jogging, weight lifting, and all sports. Features: Improve lung capacity Made from high quality ultra durable material Helps burn more calories during workout, exercise, and jogging. Suitable for jogging, exercising, running, weight lifting, and all sports. Decrease Workout Time: Less