Honestly i cant imagine buying anything from this company again. They worked fine for 1 month until some firmware update and then a new iPhone app that kept nagging about 'stay tuned for something new' Everytime I'd open it. These speakers have been so disappointing. They're fine as a single speaker i guess. I upgraded them to the latest firmware and the audio popping is so bad i can't stand to listen to them in stereo. I downgraded the firmware to the 1.5.71 but i can only get the two speakers into double up mode that way because the new app on the iPhone doesn't detect the older firmware so you have to do the whole button press way if pairing the speakers. Before i sell them on Craigslist i thought I'd give them one more shot. I picked up a pair of Megabooms this summer and at some point they have started to crackle really badly to the point that i hate using these things.