Wireless Bluetooth Sport Earbuds for your energy boostN/AThe Manhattan Sound Science Sport Bluetooth In-Ear Headset with Neckband power up your day (and your workout) with thumping bass and tight highs that will invigorate your inner batteries and keep you going strong. They have a lightweight sweatproof design as well as noise-isolating silicone tips that are comfortable and stay firm in your ear during even the most vigorous of activities. Plus a slim in-line microphone makes it easy to take calls on the go. If you don't want to pair them with your phone you can play MP3 files via the built-in Micro-SD card slot.