AI Superpowers: China, Silicon Valley, and the New World Order: Kai-Fu Lee: 9781328606099: Amazon.com: Books

Acoustically engineered to produce exceptional frequency response for an enhanced listening experience. Sweat proof, portable and lightweight headset can stay in your ears comfortably. Allowing you to control the volume, answer or end calls, control the playback of music and video with click of button and without taking your phone out.