Wireless Bluetooth Sport Headphones Earphones (White Black) Wireless 4.1 Stereo Earphones for Apple,iPad,Samsung and other Android,iOS phones and Laptops Tablets Long working hours,4 hours for talking time,3.5 hours for playing hours,only 2 hours for charging CVC 6.0 noise cancellation technology ensures that perfect sound for playing music and talking Perfect stereo sound and bass,let's you enjoy the music better;Powerful Bluetooth signals,it is 2 times of the normal Bluetooth headset to make calls more smoothly Sweatproof for Running,Workout,Gym,ideal for people who love sports