VMInnovations via eBay offers the open-box Sennheiser Momentum In-Ear iOS Headphones with Microphone in Red, model no. M2 IEi, for $59.99 with free shipping. That's $22 under the lowest total price we could find for a factory-sealed pair. These in-ear headphones are designed for use with Apple products and feature a tangle-free oval cable, 3-button in-line remote, and an integrated microphone.
Note, these headphones are new but may not come in original packaging.