World Wide Stereo via Rakuten Shopping offers the iKANOO BT015 Portable Bluetooth Speaker in Silver, Black, or White, model no. SP-BT01, for $16.99 with free shipping. That's the lowest total price we could find by $13. It features a built-in speakerphone for answering incoming calls and a frequency range of 90Hz to 20kHz.
Monoprice offers this High Performance Bike-Mountable Bluetooth Speaker for $29.71 plus around $8 for shipping. That's $3 under our mention from last week and the lowest total price we could find by $8. Features include a 4-watt amplifier, built-in 800mAh rechargeable battery, 3.5mm audio input jack, and up to eight hours of audio playback.
BuyDig offers the Clearsounds iCreation Advance Bluetooth Phone System with iPhone Dock, model no. CSI400, for $18.99 with free shipping. That's the lowest total price we could find by $34. It's compatible with Bluetooth-enabled phones for making and receiving calls and features Bluetooth 2.1, Siri or other voice dialing access, up to 10 hours of talk time, call waiting, and USB. The charging cradle is compatible with iPhone models up to the 4/4S.