Edifier QS30 PC Speaker – Colour: Black – Driver Unit: 2-inch (52mm) full-range – Frequency Range: 90Hz-18kHz – Signal-To-Noise-Ratio: =85dB(A) – Input Sensitivity: Bluetooth; 80050mFFS, USB-A; 80050mFFS – Connectivity: BluetoothV5.4 – Audio Inputs: Bluetooth, USB-A – QS30