R9NBC-CMC3-GP, Plastic, rubber, 200x200x20 mm fan, Fan Speed 700 R.P.M. 15, Single fan speed, Fan Airflow 74.5 CFM, Fan Noise Level 21dBA, Supports up to 15" laptops
Bluetooth/2.4G, Low profile bass keyboard for computers, mobile phones or tablets, Stylish and Slim Appearance, Compact Layout Save Desktop Space, Laptop Like Quiet Input Experience, Paired With Up To Three Devices And easy switching, Shortcut key Multimedia FN key
Channel 2:0, RMS/Channel (Watt): 3Watt x 2, RMS/Subwoofer (Watt): No, Output Power: 10W, Signal to Noise Ratio (dB): >= 45db, Frequency (Hz - KHz): 100Hz-20KHz, Sensitivity: 700mv+-50, Impedance (ohm): 4ohm.