I Have a Set of These & they're Underrated, because Plantronics isn't known for earbuds, but these are my "Go To" Earbuds! You can control everything easily from the App with Hours of endless Music, not to Mention Clear Calls. BackBeat FIT 3200 – true wireless Sport earbuds designed for the finishers. Sweat proof and waterproof*. ultra-lightweight comfort. And powerful sound in a super-secure fit means you’ll stay in the zone whether you’re in the gym or hitting the trails. Want to stay connected to the outside world? Create the perfect mix of your surroundings and music. Be boundless with BackBeat FIT 3200. *Waterproof in fresh water up to 1 M (3.28ft) for 30 minutes. However, Bluetooth does not transmit under water. Features & details Truly wireless design: Powerful 13.5 mm drivers and a snug, noise-isolating, true wireless design delivers deep bass, natural mid-tones and crisp highs. Want to keep one ear free, use left, right or both Comfort and stability: Soft, flexible, and super-secure earloops provide a comfortable fit and stay put during your most rigorous workouts Sweatproof and waterproof: Sweatproof and IP57-rated waterproof wireless Bluetooth earbuds can withstand your toughest workouts, rain or shine. Waterproof in fresh water up to 1 m (3.28ft) for 30 minutes. Bluetooth does not transmit under water. Sound mix: Create the perfect blend of your surroundings and music with awareness mode and Sound Mix. So, chat with your gym partner between sets and stay connected to the outside world when you're running outdoors with your BackBeat FIT 3200 wireless sport headphones Move more, charge less: Up to 24 hours of total power. Wireless earbuds provide up to 8 hours of power, plus a soft-shell charging case stores your earbuds and offers up to 16 additional hours of power between charges