Ear Free Wireless Bluetooth Earphones With Ear Clip Style For Male And Female Students, Suitable For Ultra Long Range And Noise Reduction In Running Sports Features: The new conduction sound generation structure truly achieves shoulder to shoulder without leakage. The new generation conduction oscillator, paired with directional sound transmission, truly protects without leakage Comfort is the foundation, stability is even more essential. Wearing firmly does not affect the wearing of glasses, and exercise does not detach, allowing for more of Bowl alloy horn diaphragm, both high and low pitched are of high standard, paired with a 13mm Qin alloy diaphragm, the music is and crisp, and the bass is surging and thick, making listening to music feel like singing live The cavity surrounds the field, and each song feels like it's on . The cavity structure is used to expand the sound range and achieve a like surround listening experience Ultra low power consumption with extended battery life, 48 hours of ultra long battery life, shaped battery, longer battery life, and 3 times longer usage time than regular headphones Product Description: Specification: Weight:300g Material:Plastic Size:10X10X5CM Package List: 1Xstorage Note: Please allow slight error due to the manual measurement. Thanks for your understanding. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real . Please take the real one as standard.