Remember that waterproof Bluetooth speaker that you picked up last summer after none other than Billy Corgan endorsed it? Here's comes round two. Available exclusively in the Land of the Rising Sun (surprised?), the Music Planet speaker ball is IPX7-certified to shrug off water damage for up to 30 minutes at a depth of one meter, and it's designed so that the speaker itself sits just above the water line. Internally, you'll find an FM radio tuner, an SD / SDHC card slot for loading up MP3 files, a USB socket (good luck with that non-waterproof thumb driv
