The veho zb 1 wireless in ear headphones are small lightweight and feature low energy bluetooth connectivity ideal for connecting up wirelessly to the apple iphone 7 or iphone 7 plus the headphones feature 10mm acoustic drivers to help deliver brilliant bass levels and well balanced sound to really bring your music to life ideal for gym workouts cycling running skiing and any other sports activity the zb 1s feature vehos flex anti tangle cable and come with a built in microphone