Syphonized via Amazon offers the Symphonized DRM Premium Wood In-Ear Noise-Isolating Headphones in Green/Blue, Black/Grey, or Red/Grey for $25. Coupon code "6UF54R77" drops them to $10.89. Plus, Prime members bag free shipping. (Non-members can spend $49 to bag free shipping; otherwise, it adds $6.11.) That's the lowest total price we could find by $14. They feature wood housing, silicone ear buds, a microphone, and gold-plated 3.5 mm audio jack.