Amazon offers the Latte SoundMagic Portable Bluetooth Speaker in Black, model no. BC235DBLK, for $35.94. Clip the the $10 off coupon (located below the product price) to cut it to $25.94. With free shipping, that's the lowest total price we could find by $4. It features Bluetooth V3.0+EDR, a built-in microphone, two speakers, and a built-in Li-Polymer rechargeable battery.