Button Design In Ear Noise Reduction And Long Sports Running Bluetooth Earphones Features: Surround Sound Wonderful Stereo, Design, Grasp Golden Ratio, Complete Sound and Color, Melody Immersive Music Experience, Better Listening and Looking! The new Bluetooth 5.3, with a tough core, is powerful. Equipped with the new Bluetooth 5.3 version, its excellent performance further improves communication efficiency and -interference, further reduces power consumption, and makes connections faster and more stable Enjoy a new realm of music, with a cavity 360 ° stereo, and a biomimetic cavity structure to expand the sound range. Equipped with a EQ equalizer, you can feel an immersive scene experience with headphones no matter where you are. Newly upgraded and high standard lithium button battery, button lithium battery, long-term use without expansion, longer service life, and longer battery life. 13mm composite diaphragm coil, strong low-frequency, music details, carefully tuned by a acoustic team, delivering and beautiful music. Every you listen, it makes your heart beat. Product Description: Battery life: 4-8 hours (hours) Bluetooth protocol: 5.3 Style: Sporty style water proofing performance: water proofing for daily use Material: The product includes: Bluetooth earphones * 1