Newegg offers the Philips Wireless Bluetooth In-Ear Headphones in Black, model no. SHB5850BK/27, for $29.99. Coupon code "EMCEGGE28" cuts the price to $24.99. With free shipping, that's the lowest total in-stock price we could find by $23. They feature a frequency range of 10Hz to 21kHz, 8.6mm drivers, tangle-free flat cables, in-line microphone and controls, and include three pairs of different size ear tips.