Listen to your favorite tunes on the go thanks to these wireless earbuds with portable charger! Offered in an assortment of colors, this item features high-definition Bluetooth 4.1 wireless technology and built-in microphones. Simply pair your handheld device to enjoy dynamic stereo sound or receive hands-free calls. The earbuds include covers, a 40 mAh battery and can be stored in the magnetic charging cradle. It's also equipped with LED indicator lights, a micro USB input with cord and a lithium ion Grade A non-recycled battery. The power band output is 5 Volts/1 Amp and works with most audio devices. Can be activated from up to 30 feet away and provides up to three hours of play time. Add a silkscreen or laser engraved logo for maximum brand exposure!