What it does A compact USBto3.5mm adapter that delivers clear audio to 3.5mm headphones while allowing USB charging at the same time. Key benefits (why you need it) Clear, stable audio: Ensures reliable signal transmission for voice calls and music playback so you hear conversations and audio accurately. Keeps you powered: Lets you listen and charge simultaneously, solving the problem of an occupied charging port or missing headphone jack. Broad compatibility: Works with most USBenabled devices and standard 3.5mm headphones for easy, plugandplay use. Travelfriendly size: Thin and lightweight, easy to carry in a bag or pocket for commuting, travel, or daily office use. Important attributes Function: Dualfunction adapter — audio output to 3.5mm headphones plus USB charging passthrough. Compatibility: Compatible with most USBenabled devices and any standard 3.5mm wired headphones or earphones. Size and portability: Small footprint and slim profile for convenient storage and portability. Performance: Designed for stable signal transmission and dependable audio quality for both calls and music. Practical use scenarios 1. Commuting: Listen to music on your wired headphones while charging your phone on the train or bus. 2. Office or remote work: Take clear hands calls while keeping your device charging during long meetings. 3. Travel: Use your preferred wired headphones on flights or in transit while charging a tablet or phone for extended use. Included functions 3.5mm headphone audio output USB charging passthrough This adapter is a straightforward solution when you need reliable audio and simultaneous charging without carrying extra accessories.