BLUETOOTH CONNECTION - Pair your phone, tablet or computer for a true hassle free wireless experience, perfect for any iOS, Android, MacOS or Windows device. OPTICAL INPUT - Enjoy lossless digital connection from your TV, TV Box, DVD/blu-ray player, receiver, HTPC, computer or gaming consoles. 2 X LINE-IN INPUT - Convenient connection to any device that has a 3.5mm headphone output or dual RCA output. Connect to two devices via Line-in at the same time, no plugging and switching needed. REMOTE CONTROL - switch input sources, control volume and choose digital sound processing (DSP) modes at your finger tips 2 YEAR WARRANTY - Guaranteed high quality and reliability with hassle-free parts and labor warranty for two years in USA and Canada.