With Sandberg Bluetooth Audio Link you can wirelessly connect your mobile phone, PC, Playstation 3 or other audio device with built-in Bluetooth to an amplifier. Sandberg Bluetooth Audio Link simply connects to an AUX input on the amplifier and then wirelessly receives the music signal via Bluetooth. The built-in battery can be charged via USB and gives 12 hours’ operating time and over 200 hours’ standby. Can also be used with constant power via a USB charger/PC.