SONXTRONIC Xdr-8000 Vertical in Ear Ultralight Sport Running Headband Headphones Ultra comfort sport design (with polished smooth surfaces) Vertical in ear headband: Best stay in place design for running and sports Lets in some air and sound for ear breathability and personal saftey: 1 yr seller warranty Ultra lightweight extended wear comfort for gaming and active sports Sonxtronic extra high performance magnetic drivers deliver great sound