Coubisou Bluetooth Headphones Sport, 12Hrs & Bluetooth 5.0 Wireless Sport Earphones, IPX7 Waterproof Bluetooth Headset W/CVC 6.0 Noise Cancelling Mic, Bluetooth Earphones w/Comfort-Slanting

High fidelity & HD stereo sound:Coubisou features high fidelity stereo sound, catches every detail of the music and transmits rich sounds, ensures a crystal-clear listening experience for both phone calls and music. The ear buds come in 4 sizes and please choose the most suitable ones for the best user experience. Coubisou flame features bass+ sound for an immersive listening experience. Up to 12 hours music enjoyment: adopted newest Bluetooth 5.0 technology, Coubisou has lower energy consumption and provides 12 hours playtime, 300 hours standby time. It only takes 2 hours to be fully charged. Besides, you can check the battery status on your phone. Noise Cancelling Mics: Built-in CVC 6.0 noise cancelling mics, Coubisou can filter out background noise, enable you every note of your music and every word of your conversations, no matter in louder environment or work for home. It also supports dual-connection so you can stay connected to 2 devices at the same time. 25°-Slanting ergon