Amazon offers the Logitech Ultimate Ears Boom Portable Speaker
four colors for $99.99
with free shipping
. That's tied with our mention from a week ago as the lowest total price we've seen. (It's also a current low by $50.) This wireless speaker features a 3.5mm auxiliary input, NFC, and up to 15 hours of music per charge.
Of note, some colors are currently backordered, but can be purchased at this price for delivery when available.