Nobsound Mini Bluetooth Power Amplifier Stereo Hi-Fi Digital Amp 2.0 Channel 50W×2 with AUX/USB/Bluetooth Input Wireless Audio Receiver PC Sound Card with Power Supply (Black)With Bluetooth 5. 0 USB 3. 5mm AUX audio input, compatible with most common audio device such as phone, tablet, computer, TV, CD player, decoder, preamp and so on. Bluetooth 5. 0 wireless input achieves faster and more stable transmission, USB input plug and play, no need for any driver. Equipped with complete accessories, you can enjoy its powerful function at once when you receive it. Adopting classical TPA3116 chip, the max output power is improved