SUPER HIGH QUALITY SOUND - 10MM speakers combined with Bluetooth 4.2 and high resolution chip, this wireless earbuds sport produce incredible sound quality with dynamic listening experience. DSP noise reduction technology aimed at creating a custom in-ear fit to block out external noise thus providing a superior audio experience and enable clearer microphone sound during talking even on the street or inside shopping mall. LONG LASTING PLAYTIME - You will get 5 hours of continuous music time/ talk time as well as up to 180 hours of standby time with a quick charge of only 1.5 hours. There will be a battery level showing on the phone screen. These bluetooth headphones sport are compatible with almost all the wireless enabled devices such as iPhone ,iPad, laptop and Android. SECURE & COMFORTABLE FIT - With ergonomic and flexible in-ear design, customized 3 pairs of soft ear tips in different sizes, the lightweight sweatproof in ear earphones wireless are able to adapt to ear canal to provide a perfect seal and rest comfortably in your ears, ensures comfortable wearing experience without falling out even during intense workout. SWEAT RESISTANT FOR RUNNING - These bluetooth earbuds is built for your active lifestyle. IPX5 sweat-resistant technology efficiently protects these Bluetooth earbuds from sweat and ensures more guaranteed life span, perfect for outdoor activities like running, cycling, hiking, camping, gym exercise and travelling, etc. which enable you run in the rain or sweat it out in the gym. IN-LINE MIC & VOLUME CONTROL - Built-in 3 buttons microphone and remote enable you enjoy hands free phone calls, manage volume and music track easily and efficiently. In addition,You can attach the two headphones together when not using, and wear like a necklace around your neck, a convenient way to carry around when you don't need these blutooth headphones wireless.