kaysn Bluetooth Headphones,22 Hours Playtime for TV Computer Travel Work Training Wireless headphones with Bluetooth V4.1 technology. Over the ear design, provides a convenient Bluetooth connection for making calls or listening to music The professional protein earpad and 90 swiveling earcups, adjustable design for comfort. More durability and comfort, Enjoy high-quality, Long-listen comfort and easy to carry. Gentle Reminder: please take off the headphone every 2-3 hrs to get your ears relax, in order to get better hearing enjoyment, and keep the head comfortable Noise Cancelling technology. Significant noise reduction for travel, work and anywhere in between. Advanced active noise reduction technology quells airplane cabin noise, city traffic or a busy office, makes you focus on what you want to hear,enjoy your music, movies and videos On-ear controls can adjust the volume, change the track, and play and pause music; or you can chat away with the built-in microphone Can play for a long time, playtime varies according to volume level and audio content. Great Headphones for travel, sports and computer