Loud Stereo and Wireless Dual Paired Speakers: ZEALOT wireless bluetooth speakers have built-in 10W stereo audio drivers to satisfy you at maximum volume without distortion. The automatic pairing of the 2 wireless speakers is the highlight of this version, and when you turn on the two speakers, the left and right surround 360 HD stereo can bring you to the climax of the music. 4 Modes Wireless Speaker and IPX6 Waterproof Speaker: Wireless Speaker with USB and TF Card (they also support home SD card (32G)!). Bluetooth mode > U disk mode > TF card mode > AUX audio cable mode to switch freely. ZEALOT IPX6 Waterproof Portable Bluetooth Speaker With IPX6 100% waterproof design, you can use this waterproof speaker in the shower, party or some water activities (not suitable for snorkeling or some deep sea sports) (note that the charging port is tightly closed)