Acoustic Research Sedona 20-Watt Rechargeable Indoor – Outdoor Bluetooth Wireless Speaker w/LED Flickering Flame Light; Portable; Battery or AC Power Option. Bluetooth Capabilities – Plays music from your smartphone or tablet. Durable IPX4 – rated design that is water and dust resistant for indoor or outdoor use. Distinctive Audio- 20-watt stereo system plus dual enhanced bass radiator. Portable – Operate with rechargeable built-in battery or included AC power adapter; Up to 14 hours of play time. PLEASE MESSAGE US IF YOU HAVE ANY OTHER QUESTIONS, AND MANY THANKS FOR READING ALL OF THIS.