UrbanX QC3 unique nonslip True Wireless Earbuds Bluetooth Headphones Touch Control with Charging Case Stereo Earphones in-Ear Built-in Mic Headset Premium Deep Bass for vivo Y21a - Black This unique nonslip design is perfect for sport and work, to make sure the earbuds stay in your ears whenever you are running, climbing, or doing any other high intensity movements. IP7 headphones Internal nano-coating protects the headphones wireless from rain or sweat throughout intense exercises, just enjoy your time when running, jogging, riding, hiking, fitness, etc. Long-lasting working time Up to 6-8 hours of continuous talking or music time and up to 32 hours of standby with a single charge, so you can enjoy long-lasting music and less time charging. Also, the case is reversible Type C which makes charging more convenient and faster. Multiple using modes · Binaural Mode - Fully immerse yourself in the world of music. · Sharing Mode - Share the moment with a friend or family member. · Monaural Mode - For safety, only wear one wireless ear buds when driving. Wide compatibility Our wireless earphones are compatible with most devices, including smartphones, tablets, laptop computers, TV and more. What's inside? 1 x True wireless earbud (Left and Right) 1 x USB-C Charging Case 1 x USB-C Charging Cable 1 x User Manual