1.Useful mouse pad. 2.Two speakers,easy connect PC. 3.4 port of USB Hubs. ... USB ports, more hubs for U disk, speakers etc.Owning two high quality speakers. Convenient play music.Small and light weight, easy ... /CTNGross Weight: 21.6kg/CTNWeight/Single: 320gQuality Service:1. High quality control, prompt delivery, competitive Prices. Warranty: 1 year.2. Your ...