Charge your smartphone – thanks to the power bank function with 5V and 1A. Up to 30 hours of battery life with an integrated battery status indicator. Music streaming range of up to 30 meters. Protection class: IP67 (dust and water resistant). Bluetooth V5.3 with True Wireless Stereo (TWS) technology. 4.3 W RMS total output power for impressive sound. Integrated passive radiator for dynamic bass reproduction. Hands-free phone function – easily answer calls with the integrated microphone at the push of a button. AUX input, USB-C charging function (USB cable included), rechargeable lithium-polymer battery with 3.7 V and 2,500 mAh.