The Marshall Major III Voice is a Wireless Headphone with Google Assistance. It has 40 mm dynamic drivers, which create an incredibly clear sound. The best quality of these headphones is that they deliver up to 60 hours of playtime. With a 30-foot wireless listening range, its Bluetooth connectivity features give you the freedom to move and experience an amazing music experience. The ergonomic design with 3D hinges and cushioned ear gives ultimate comfort to the ears. Of course, you can easily play, pause and adjust your device’s volume with the multi-directional control knob provided in the headphone.