high quality Ergonomic DesignMade of upgraded smart chip, feature with over 32 feet farther transmitting distance and 0.2 second response time to your device, allowing you to switch channels more smoothly and having a comfortable listening experience!Please NoteNOT a universal remote control. ONLY compatible with Bose 321 Series I Audio/Video Receiver.A Perfect ReplacementLooking for a new remote for your original one or broken one? Do you have such troubles? Let our 289138001 remote help you! Our remote works as well as original one, it made of high quality ABS material, the controllers buttons are soft.Package List&Easy To Pair1*Remote Control, 1*Instructions and 2*Batteries. Please install two new batteries (INCLUDED), and then follow the steps in the pairing instructions to pair this remote with your Audio/Video Receiver before use, our remote control will work perfectly.Contacting usWe uphold the principle of customer first. If you cannot sure that our remote work on your device or not, please send us a picture of your original remote, we will find the correct remote for your device, thank you!