Wiwu Skin Zero Sleeve Black Size -16″ GreenlionMicrophone Handy In-line Controls: Simple in-line

Handy In-line Controls: Simple in-line controls on the headset cable let you adjust the volume or mute calls without disruption

Improved Battery Life—Target Wake Time helps your devices to communicate more while consuming less power

Smart chip that adopts the current level to the specific device

and you can charge while you play with the USB charging cable

having to choose between which electronic device to charge

Wiwu Skin Zero Sleeve Black Size -16″ GreenlionMicrophone Handy In-line Controls: Simple in-lineMaterial: Eco friendly Lycra material+ Faux fur lining Ultra slim and lightweight design Design for macbook, with faux fur lining& Anti scratch