Sony H.ear Go Srs-hg1 Speaker System - 24 W Rms - Wireless Speaker(s) - Portable - Battery Rechargeable - Charcoal Black - 20 Hz - 20 Khz - Wireless Lan - Bluetooth - Usb - Dlna Certified - Advanced Audio Coding (aac), Internet Radio, Lightweight, Clearau Srs-hg1/blk