There is a hole there for it. Odd noise goes to other side. Easy line up, can?t miss, and won?t damage the chargers! 000 and can be dynamically set. If you want to feel good about the shoes youre buying read up on Muk Luks! Wish it could self adjust its speed to maintain the temp and hold. The manual states the maximum bluetooth range is 30 ft (but that depends on obstacles and magnetic fields etc. My wife pulled a "Debo" when it was first delivered. The headphones are also comfortable, with good adjustability. So if your not super type A about a perfect fit and if you dont mind getting a returned set or lackluster packing job, this does the job.