Description Ergonomic ear-hook design - Silicone Earhook Design for Sports with soft and durable flexible material for secure and comfortable wear for running,gym,workout,jogging,etc. - True wireless earbuds comfortable to wear,ultralight and has 3 different eartips sizes. - Do exercise with sport headphones,enjoy your fitness journey. - Improved Bluetooth 5.0 sports headset - No tangled wires bother you,so you will enjoy the convenience of these truly wireless earbuds.bluetooth headphones built-in 5.0 bluetooth high-tech chip ensures an incredibly more stable,faster,lower latency and lower power connection during data transmission.6D Stereo Hi - Fi Sound Stereo wireless earphones with noise cancellation technology effectively blocks out background noise and accurately picks up your voice,so you can enjoy your music moment even in a loud environment. - Deep bass,rich alto and crystal treble let you enjoy a smoother and clearer music playback and call experience than ever before.50 hours play timewireless sport earphones can last for 5 hoursplaytime from a single charge and 50 extra hours in the compact charging case. color:black package:1*Headphones