Fashionable Magnetic Design: Built-in magnets let you attach the two earpieces together and wear like a necklace around neck, a convenient way to carry around when you don\'t wear them Comfortable Fit and Lightweight: These Wireless Sport Headphones are designed with ergonomic eartips and weigh an extremely light 15g, come with 3 pair soft silicagel earbuds, provide a comfortable entertainment time and no worry about falling out when you are walking or running Advanced Bluetooth V4.1 Technology: Earphones have built-in Bluetooth 4.1 for High-Fidelity sound. The Bluetooth also supports connection to two devices simultaneously and allows automatic connection after initial pairing Excellent Battery Life: Easy to connect and work well with iPhone iPad, Samsung Galaxy S6, S7,S8, Sony Xperia Z5, XZ and any other Bluetooth devices, lasts over 6 hours of continuous usage and 300 hours standby time with single charge Clear Phone Conversation: latest CVC 6.0 Noise cancelling technology reduces outside noises, enable clearer microphone sound when talking to your family or friends; you get high quality, hands-free phone conversation even on the street or inside shopping mall