Anker Flare II. RMS rated power: 20 W, Frequency range: 50 - 20000 Hz. Connectivity technology: Wireless, Bluetooth range: 20 m, USB connector type: USB Type-C. Product colour: Black, Product design: Cylinder, Volume control: Buttons. Recommended usage: Universal. Battery technology: Lithium-Ion (Li-Ion), Battery capacity: 5200 mAh, Battery voltage: 7.4 V |