Acoustic Research AROM10 White 60W Stereo Bluetooth Portable Speakers. TWS Bluetooth Stereo Speaker System. IPX4 – All-weather durability. 60W of power ยป 18 hours of playtime on a single charge. Extra long power cables and (2) – 10ft. Extension cables included for convenient charging. Mountable bracket (hardware included). AC adapter: 14V 1A.