The Eco4 BT is more than just a radio; using Bluetooth, simply pair your device with the ECO4 Bt and stream your favourite playlists or albums. As an alternative to mains power, batteries can bring portability to your radio. Taking six, LR20/D size batteries, the ECO4 Bt offers an impressive 150 hours of battery life. Using Bluetooth, you can stream music from your iPod Touch, smartphone, tablet or laptop directly through the sound system. Product features: Bluetooth. LCD display. 20 preset stations - allows you to easily switch between your favourite stations. RDS scrolling text for digital radio. Auto time update. Auto tune and auto scan. Auxiliary input connector for iPod or MP3. Headphone socket for personal listening. General information: Size H16.5, W29.8, D11.5cm. Mains operated. Batteries required 6 x D (not included). Manufacturers 2 year guarantee.