Acoustic Research AWS63S Portable Wireless Outdoor Speaker (Certified Refurbished) This Certified Refurbished product is manufacturer refurbished, shows limited or no wear, and includes all original accessories plus a 90 day warranty Totally portable sound with 3.5 mm input that goes where you go Listen to your music wirelessly from your MP3, AV receiver, PC, smartphone, tablet and more 2-way acoustic design with bass boost Dual power mode: AC adapter included or 6 AA batteries (not included)