I doubt I would trust this lock in another situation (e. Very comfortable while listening to the music, great sound and haven?t recharged since first use. I think this product is super cute and it has severed its purpose. ?? To go down a size would not work. I still get to sit down while playing but Im INSIDE of the game now moving around. I rate these headphones 10/10. Estan bastante bien. This works great to keep them from sliding. The case also a unique feature in thqt it has a display which shows the amout of charge available in both the case and each bud, The power in the buds are shown by bar graph , four bars indicates 100%, 1 bar 25%.