As one of its daily deals, Groupon offers the JLab Headphones Waterproof MP3 Player in three colors (Blue Silver pictured), model no. GO4GB, for $34.99 with free shipping. That's the lowest total price we could find by $5. These submersible MP3 player wireless headphones feature 4GB of storage, volume, track, shuffle, and play/pause controls, seven pairs of silicone tips, and a USB cable. Deal ends today.