Celly WSRABBIT, 3 W, 3 Ω, 79 dB, Wireless, USB Type-C, Party speaker Celly WSRABBIT. RMS rated power: 3 W, Impedance: 3 Ω, Sensitivity: 79 dB. Connectivity technology: Wireless, USB connector type: USB Type-C. Product type: Party speaker, Product color: White, Product design: Other. Recommended usage: Universal. Battery type: Built-in battery, Power source type: USB, Battery life (max): 4 h