Veho M-Series MD-2 Wireless Speaker with DAB & FM Radio. Radio type: Portable, Tuner type: Digital, Supported radio bands: DAB, FM. RMS rated power: 3 W, Frequency range: 100 - 18000 Hz, Signal-to-Noise Ratio (SNR): 70 dB. Driver unit: 5.2 cm, Impedance: 4 Ω. Product colour: Black, Silver, Volume control: Rotary, Country of origin: China. Battery technology: Lithium-Ion (Li-Ion), Battery capacity: 1800 mAh, Battery voltage: 3.7 V