About this item Upgrade Design This 3 in 1 headphone splitter supports dual 3.5mm earphones working at the same time, allowing lovers, good friends, and families to share happiness and entertainment. Advanced Sound Quality Features a 100% copper core, supporting up to 24-bit / 96 kHz audio output, providing high fidelity and lossless audio experience for your entertainment. Fast Charging Designed with 2.4A fast charging function, the charging speed is increased by 1.5 times. Enjoy your music or movies without worrying about your device running out of power. Widely Compatibility This headphone jack adapter supports a wide range of phone devices including iPhone 14/ 14 Plus/ 14 Pro/ 14 Pro Max/ 13 mini/ 13/ 13 Pro/ 13 Pro Max/ 12 mini/ 12/ 12 Pro/ 12 Pro Max/ 11/ 11 Pro/ 11 Pro Max/ XS Max/ XS/ X/ XR/ 8 Plus/ 8, 7, and iPad. No app is needed; just plug and play. Dimensions: 6.69 x 2.76 x 0.79 inches.