VAVA In-Ear Headphones Stereo Headphones Compatible with iOS/Android, Sound EQ Modes, Built-in Microphone, Hands-Free Calling, VAVA VA-EP001 [Set Contents] VAVA Flex Earphones Earbuds Carrying Case Instruction Manual (From the brand's sales page) [POWERFUL DUAL 8mm DRIVERS] Enjoy clean, natural, and balanced sound achieved by two powerful 8mm drivers. These earphones will add color to your life, allowing you to enjoy comfortable calls and music, taking a break from your noisy daily life. [Equipped with EQ Mode to Emphasize Bass] Easily switch between two modes, Natural and Bass Boost, with a switch. Why not energize yourself with deep bass sounds sometimes? Hands-free calling is still convenient You can complete calls and end calls just by operating the earphones. Siri and Android are, of course, usable. You don't need your smartphone! You can also adjust the sound 100% with your hands. You can easily play, pause, and adjust the volume with the buttons on the earphones. Of course, you can also reject calls! [Fashionable and Comfortable Earphones] Stylish ergonomic design made of aluminum alloy that fits comfortably in your ears. Three sizes of earbuds are included to fit various ears. Thank you for viewing. I opened the package once to check the contents after purchase, but it has been stored unused. It comes with a storage case, making it convenient to carry around. I hope to sell it to someone who can use it!