Bluetooth

Skullcandy Sesh True Wireless Earbuds, Black refurbished..
Bluetooth wireless technology
10 hours of battery life
Charging case
IP55 sweat, water, and dust resistant
Microphone, call, track, and volume control
Comes with headphones and USB charging cord and case with quick start guide
Enjoy audio freedom with the Sesh True Wireless In-Ear Earphones from Skullcandy. Removing cables complete, the Sesh earbuds wirelessly transmit your favorite audio from any Bluetooth-compatible device. They even have a built-in mic for hands-free calls when paired with a compatible smartphone. You can manage your calls, change tracks, adjust the volume, and even access your device's digital assistant via built-in controls.

The Sesh in-ear earbuds give you up to 3 hours of playback on a full charge, but you can recharge them on the go with the included charging case. The case itself has enough power on a full charge to provide up to 7 more hours of power. The Sesh earbuds are also IP55 rated for sweat,