Bluetooth 5.2, fast Bluetooth connection, more stable transmission, easier connection, and listen to songs more smoothly.Design: The halter neck design is ergonomic, non-restrictive, comfortable and lightweight, suitable for all-day wear.Perfect Sound Effect: Provides balanced and natural sound, allowing you to enjoy dialogue and music without audio loss and interruption.Applicable occasions: charge for 2 hour, work for 7 hours. Sports, fitness, going out, travel, leisure, work and other places.What you will get 1 x Headphones;A pair of earmuffs;1x Charging cable