Harman Kardon Aura Studio 4 Black (HKAURAS4BLKUK-N) is a portable speaker system with a 45–20000 Hz frequency range for wide sound coverage. It supports Bluetooth 4.2 wireless connectivity and AUX input. It delivers 130W power and is powered via mains electricity (no battery operation). It has no Wi-Fi support and no water resistance. The body is made of plastic and metal, with dimensions of 232 × 283 × 232 mm.