Edifier Tick Tock SD/USB/FM. Radio type: Clock, Tuner type: Digital, Supported radio bands: FM. RMS rated power: 7 W, Frequency range: 80 - 20000 Hz, Signal-to-Noise Ratio (SNR): 80 dB. Driver unit: 40 mm. Width: 130 mm, Depth: 126 mm, Height: 89 mm. Operating temperature range (T-T): 10 - 60 °C, Storage temperature range (T-T): -10 - 60 °C, Operating relative humidity range: 15 - 80 %