Surround yourself with big and clear sound everywhere you go with the Sony SRSX55 Portable Bluetooth Speaker. Equipped with 30 watts of digital amplification, this full range stereo speaker will make any audio sound its best. Inside the SRSX55 Speaker is a subwoofer with a passive radiator to create ultra rich and deep bass. With seamless Bluetooth and NFC connectivity options, you can access your entire music library without being tethered by a cable. The ClearAudio+ technology enhances every note of every song while the powerful battery will give you up to ten hours of seamless playback. Perfect for day trips, weekend trips, or just leaving on your desk, the SRSX55 Bluetooth Speaker will stun you with sound.