WINH Stereo Headsets, Built-in Battery Earphone Wide Compatibility (Black)

Power Supply: Each earbud has a built in 30mAh battery, and the charging compartment has a 300mAh capacity battery, ensuring long endurance, and convenient use at any time. Good Performance: These earbuds adopt excellent diaphragm speaker unit, balance adjustment technology, accurate and fine tuning, ensuring clear hierarchy and rich details. Applicable Scenes: This wireless earbud provides clear and stereo sound, which is suitable for daily entertainment, work, study, sleep, and other scenarios, making it convenient to use and carry. Wide Compatibility: This wireless stereo earbud is suitable for Android devices, compatible with most devices such as smartphones and tablets, has strong practicality. Safe and Comfortable: This earphone is compact and lightweight, ensuring comfortable wearing, fits snugly to the ear without any pressure, and you can use it with confidence.