Make your own night club with the black SRS-XB40 Bluetooth Speaker from Sony. This speaker uses Sony's EXTRA BASS and ClearAudio technologies to deliver deep low-end tones and clear high-quality sound. The SRS-XB40 also features a multicolored line LED, bright speaker lights, and flashing strobe that creates a flashy light show to go along with your music. The SRS-XB40 uses Bluetooth connectivity to wirelessly stream music from compatible devices and features NFC for quick and easy one-touch pairing. The built-in Bluetooth also lets the SRS-XB40 pair up to 9 additional speakers for more room-filling sound. Compact and portable, the SRS-XB40 is made to be taken with you, and its water-resistant design means you can keep the music going rain or shine. Its long-lasting battery will provide up to 24 hours of playback, and you there's even a USB port for charging your smartphone.