Sony Compact Portable Speaker lightweight and foldable design One-box stereo with Mega Bass stereo sound Total power output 2W and neodymium magnets 2-way power supply, 4 AA batteries or optional AC adapter Folded: 4''Wx 3 3/8''H x 2''D Open: 8 7/8''W x 3 3 UPC Code: 027242633520 <img