*Lowest* XWAVE echo 10 10W Hi-Fi Portable Wireless Bluetooth Speaker with Built-in Microphone 20 hour rechargeable battery (Red) $34.99 Fs Amazon

http://www.amazon.com/gp/product/B00GWL24NM/

Lowest price according to CCC
XWAVE echo 10 10W Hi-Fi Portable Wireless Bluetooth Speaker with Built-in Microphone 20 hour rechargeable battery (Red) | Amazon price tracker / tracking, Amazon price history charts, Amazon price watches, Amazon price drop alerts | camelcamelcamel.c

Unadulterated Hi-Fi, Stereo, 360-degree surround sound on the go or indoors
Unique speaker driver technology makes this wireless Bluetooth speaker powerful yet ultra light, super thin, and amazingly stable and distortion-free even at high volumes
Up to 20 hours of usage with internal rechargeable battery, rechargeable via USB cable or AC adapter
Highly portable ĘC includes a carabiner with web strap to easily take the speaker with you wherever you go
Doubles as a speakerphone with a built-in omnidirectional microphone - take hands-free phone / conference / Skype calls with crystal clear sound quality