Upgrade your existing SleepPhones: For users of wired SleepPhones, upgrade to wireless Package Contents: Latest ASL06 Bluetooth module and Speakers For users of SleepPhones wireless, upgrade to TellyPhones The Bluetooth transmitter (included) simply connects to your TV, laptop, SmartPhone, MP3 Player or tablet using a standard 3.5mm audio port. This is then powered via a USB cable or standard UK plug socket using the included USB to 3 pin adapter. A single button on the SleepPhones controls all functions, making it simple to operate even in a darkened bedroom. Package Contents 3.5mm Cable Mini-USB to Standard USB Cable RCA-Y Cable Bluetooth Transmitter AC Power Adaptor USB Wall Plug 12 months warranty on all Upgrade Parts