feature | Bluetooth 4.1 Technology combines with A2DP support and advanced CVC 6.0 Noise Cancellation for class-leading wireless audio and optimal sound quality.Ergonomic and secure earhook design and sweatproof materials for ultimate wearing comfort (additional ear buds included) to match your active lifestyle; secure fit is perfect for all fitness and outdoor activities including running, jogging, hiking, camping, cycling, driving, gym and virtually all outdoor sports.Up to 5 hours of premium quality pl |