MOCREO&reg; Water-resistant Portable Bluetooth Speakers Rugged Splash Proof + Hands-free Speakerphone w/ Built-in Mic + 3.5mm Audio Cable + Rechargeable Battery IPX4 Waterproof Bluetooth Speakers Compatible w/ Apple iPhone 6 Plus, 5S; Samsung Galaxy Note 4, Galaxy S5, Galaxy S4; HTC One M8; Nexus 6, Nexus 9; LG G3; iPad Air; iPod; MP3 Players - MOSOUND Tictac
It has decent sound and volume. My boyfriend uses this for work. He works outdoors and has worn it all this week. I must say I am impressed with how well it is standing up to the cold. So far so good. I will try to update in the spring and let you all know how it does long term.  Update. April 2016   So we had had this for a bit over a year now and I have to say it has held up very well for the money. The sound quality has gone down a bit but it has also been left in a freezing car for days, worn outside ye