Amazon has the Plantronics BackBeat GO 600 Noise-Isolating Headphones for $24.99 (regularly $99.99) with Free Shipping for a limited time.
The BackBeat GO 600 Series of wireless headphones delivers up to 18 hours of deep, rich sound. Contemporary and comfortable, these sleek headphones are designed with lightweight memory-foam ear cups that rotate to lie flat and can travel anywhere. So no matter where your passion takes you, you can listen without limits. Frequency response – 50 – 20,000 Hz, Sensitivity – 92 dBPL,Impedance – 32 ohm and Harmonic distortion – <3%.