Motorola ROKR 600, 30 W, Wireless, 393.7" (10 m), Stereo portable speaker, Green, Buttons Motorola ROKR 600. RMS rated power: 30 W. Connectivity technology: Wireless, Bluetooth range: 393.7" (10 m). Product type: Stereo portable speaker, Product color: Green, Volume control: Buttons. Recommended usage: Universal. Battery type: Built-in battery, Battery life (max): 6 h, Standby time: 10 h