Tremors Wireless Bluetooth Headphones On-The-Ear, Wireless Headset with Microphone, Quality Stereo Sound, One-Touch Media Controls, Track Forward/Back, Volume Up/Down, Answer or Make Calls, Built-in Microphone. Play Time Up to 10 hours, Charging time 2-3 hours.  Works as a Wireless Headphone or as a Wired Headphone, perfect to use on Airplanes, Zoom or Team Calls, Smartphone or legacy devices with a 3.5mm Jack. Works with iPhone, iPad, iPod, Android, Samsung, PC/Mac, Chromebook, Lenovo, HP, Asus, Surface, Tablets and Bluetooth Enabled devices.