Set - portable speaker: 36W, frequency range: 52Hz-20kHz, sensitivity: 100.4dB, Bluetooth 5.0 aptx, 3.5mm jack, IPX2, built-in battery, up to 20 hours battery life. Wireless Headsets: folding, Bluetooth 4.0, 20Hz-20kHz range, 32 ohm impedance, 97dB sensitivity, 40mm drive, up to 30 hours battery life, jack