Headphones DO NOT have 3.5mm headphone jack Inline microphone keeps you connected to all your conversations while on the go Headphones don't need batteries and are plug and play, no complicated setups. Braided cable ensures durability and less prone to tangle. Amazing Gadgets Certification comes with free 90 day warranty on all AZG products. If you have any issue with your purchase please let us know and we'll get it resolved for you without needing to open a return. (USB-C CONNECTOR) Life is better with music, and these new braided headphones will keep you going while listening to all your favorite tunes. An inline microphone will allow you to make calls and stay in touch with family and friends while the braided wire will keep you from dealing with tangles. Inline sound controls are only compatible with Samsung Galaxy devices.