Wooden 4-inch subwoofer, computer speaker, USB power supply decoding, 2.1 channel integrated home desktop wireless Bluetooth speaker

Configuration: 4-inch dual voice coil bass speaker+dual imported amplifier chips+independent operational amplifier frequency division+2 2.25-inch mid to high pitched speakers

Three input modes: Bluetooth playback+3.5MM audio input+USB sound card input (one USB cable connected to the computer for plug and play)

Two power supply methods: 1. Computer USB interface power supply, plug and play. 2. External 5V power supply with USB interface

Standard accessories: One USB cable and one 3.5 audio cable (note: If an additional 5V/2A power supply is required for use, please contact customer service to make up for the price difference)