Hama Pocket 3.0. RMS rated power: 3.5 W. Connectivity technology: Wireless, Bluetooth range: 10 m, USB connector type: USB Type-C. Product type: Mono portable speaker, Product colour: White, Product design: Cube. Recommended usage: Mobile phone / Smartphone. Battery type: Built-in battery, Battery technology: Lithium Polymer (LiPo), Battery capacity: 1050 mAh