About this item Features: in-ear stereo headphones, beautiful sound effects. Bluetooth 5.0 chip, 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. Low-profile and Simp-le, it easily adapts to your style. Perfect Sound Effect: Provides balanced and natural sound, allowing you to enjoy dialogue and music without audio loss and interruption. Buttons: powerful functions like switch, ANSWER-calls, play and pause. Applicable occasions: charge for 2 hour, work for 8 hours. Sports, fitness, going out, travel, leisure, work and other places.