•These wireless headphones offer a comfortable and convenient listening experience. Perfect for workouts, travel, or everyday use. Excellent condition.
• With 20 day battery backup if you use frequently..
•With 84 hour battery backup if you continuously use..
•with noise cancellation and powerbass.
•if you attract both earbuds it turn off and disconnected.
•and if you keep away both earbuds it turn on and automatically connected.