High-fidelity portable smart speaker 360° stereo sound translates 4 aluminium full-range drivers and 2 woofers 4 x ARM Cortex-A53 3200mAh in-built battery USB-C PD 12V 2.5A Cross-stereo architecture Frequency response from 30Hz to 20kHz Size: H 7.60 x W 6.93 x D 5.47 in