This excellent speaker is dual powered speaker as it supports AC/DC function.
Use its Bluetooth feature to play your favorite audio files.
USB and SD/MMC Card
Play your music audio files directly with USB and SD/MMC Card feature.
Remote Control Feature
Control speaker output level manually or through remote control.
10W + 5W x 2
Sub-Woofer: 5 inches
Satellite: 3 inches x 2
100Hz ~ 12 KHz