[Magnetic=Necklace]：Attach the two earpieces together--a cool necklace when you are not using it which could attract many sports enthusiasts and sliding off your shoulders.Be cool headphones,and become sports or work fashion man. | [Lightweight and Comfortable]：Ergonomic design with highly elastic silicon（customizable 4 pairs ear tips & 3 pairs ear hooks),more durable,there always be one pair to fit you--stay in ears well,running,jumping.It weighs only 0.53 oz / 15 g.No hurt for ears for long time use. | [Lasting long time] Our Bluetooth earphone can support 7-8 hours call talking, 4-5 hours music, 180 hours standby. Full charge of this wireless earphone only takes 2 hours. You can enjoy seamless music whenever Sports or working. | [High-quality Stereo] With advanced Bluetooth 4.1 CSR technology, and build-in digital noise reduction, offering incredible sound quality with deep bass and crystal clear treble. Perfect for soundtracks, audio books, relaxing sounds, and even techno music.And the Bluetooth earphone have CVC Noise Cancellation 6.0 technology to reduces outside noises, enable clearer microphone sound when talking to your family or friends. | [Warranty Policy]We Offer 12-months warranty policy for our Bluetooth headphone wireless, If you have any questions or problem,please contact us firstly,We will give you a satisfied solution.