Yidsun has recently unveiled a couple of new retro-lookin' Bluetooth speakers under a single umbrella called "BlueBoom series." Four models are announced - SPK-798, SPK798i, SPK799, SPK799i. The SPK-798 boasts 50W of power and also packs a subwoofer, while two other models (SPK-798i & SPK-799i) can connect with iPods and also server as docking stations [...]