The lightweight and ultra-portable cube that offers big sound. This wireless speaker from Sony lets you stream tunes for up to 12 hours. Connect to your device wherever you are with Bluetooth, and pair with another SRS-X11 and get stereo sound with speaker pairing mode. The best way to get the party started; You can also connect using the 3.5mm AUX in socket (cable not included. ). It also features hands-free calling, letting you make and answer calls wirelessly from your smartphone straight to your speaker. Wireless music streaming over Bluetooth with one touch listening via nfc. 1 speaker. Compatible with iPod, iPhone and iPad. Bluetooth compatible. 3.5mm AUX in. 10 watts per speaker. Frequency 150Hz-20000Hz. General information Size H6.1, W6.1, D10cm. Model number srsx11r. Ce7. Speaker diameter 4.5cm. Power from USB. USB cable included. Batteries required 1 x rechargeable batteries (included) . Battery life 12 hours.