If your headphones aren't wireless, are they even headphones?! These wireless in-ear headphones deliver quality sound in an intelligent package. Completely wireless and easy to use, the Wireless Bluetooth Earbuds with Charging Case are your flexible companion for calls, music, and an active lifestyle. Bluetooth 5.0 with multipoint connection. High quality audio with built in microphone. Battery indicators to notify user when charging is needed. Mad Man, masters of men's gifts. Material: Stainless Steel/Alloy. Dimensions: 3.5" x 1.75" x 2.25"