Features Digital sound designEasy control of volume and power on speakerExperience the high quality and powerful soundEnjoy full rangesound quality at affordable priceFull magnetic shlelding safeguards computer monitorMultimedia speaker system for PC Smart phone MP3 MDP Walk manDynamic stereo amplified quality sound headphone and MIC jack built inUSB plug and playSize Approx 400x50x50mmOutput power 3W x 2 THD 10 Impedance 4 OhmPower input USB DC 5VFrequency response 100Hz 18KHz Package Included 1 x Speaker1 x USB Power Cable1 x Audio Input Line1 x Microphone Audio Cable Not include other things