Connection Type: USB-C Bluetooth Version: 6.0 Bluetooth Profiles: A2DP 1.4, AVRCP 1.6 Bluetooth Transmitter Power: ≤ 15 dBm (EIRP) Frequency Response: 40 Hz – 20 kHz Battery Type: Li-ion, 68Wh Battery Charging Time: 3.5 hours Music Play Time: Up to 28 hours Signal-to-Noise Ratio: > 80 dB Input Impedance: 5V / 9V / 12V / 15V 3A, 20V / 4A Output Power: 1 × 90W RMS Woofer + 2 × 20W RMS tweeters