Panasonic offers its Panasonic In-Ear Headphones in Blue, model no. RP-HJE190-A, for $24.99. Coupon code "TUNES190" cuts the price to $10. With free shipping, that's the lowest total price we could find in any color by $4. They feature a frequency response of 6Hz to 24kHz and a 3.5mm jack. Deal ends September 30.