Faktor Zwei FX2. Recommended usage: universal, Speaker placement: Portable. Peak Music Power Output (PMPO): 3 W, Frequency range: 280 - 160000 Hz, Signal-to-Noise Ratio (SNR): 70 dB. Connectivity technology: Wireless. Width: 68.5 mm, Depth: 68.5 mm, Height: 42 mm. Battery life (max): 12 h, Battery recharge time: 2 h