brand new, never opened -Compact and ultra-lightweight come with 3 different sizes of soft, flexible ear tips for a personalized fit -Bluetooth 5.0 technology allows for quick and easy pairing with a powerful, stable connection that prevents drop-outs and fading sound -Ergonomic earbuds reduce external noise and provides well-balanced, high-quality stereo sound -Extra-long battery life— full headphone charge lasts 6 hours, with compact charging case holding a total of 20 hours of charge time -IPX6-rated waterproof protection