This BT10SET is a kit with a compact Bluetooth audio amplifier and two ceiling speakers with moisture resistant conus. The device can be linked to most smartphones / tablets that has Bluetooth connection and any music played will be streamed through the built-in 2x 15W amplifier. The volume is also controlled via the smartphone / tablet. Complete Bluetooth Ceiling Speaker Kit Easy to install  Compact Class D stereo amplifier 2x 5" Marine speakers 2-way Suitable for bathrooms, terraces and kitchens due to moisture resistance Compatible with most Bluetooth devices Ideal For Domestic & Commercial Use Supplied with power adaptor You have a question about this product? Fill in this form, we'll answer your question as soon as possible.