these portable speakers with bluetooth wireless technology let you listen to the digital music stored on your compatible mobile device in high-quality, stereo sound. there’s no need to worry about missing calls when the music’s playing: the speakers act as a handsfree speakerphone and can be used to manage your calls. the speakers can be powered with the supplied nokia charger or batteries, giving you up to 30 hours of music play time when using batteries. there’s never been a better way to set your music free. compatible with mobile phones and devices which support bluetooth stereo audio (bluetooth specification 1.2 with hsp, hfp, a2dp and avrcp) • - download your favorite tracks to your compatible mobile device and then listen to them through these powerful and easy-to-use speakers - connect your mobile device to the speakers using bluetooth wireless technology - don’t worry about missing calls when listening to music: when connected to a compatible mobile device with bluetooth wireless technology, you can use the nokia bluetooth speakers md-5w as a speakerphone and talk handsfree -manage your calls (answer, end, reject, and redial) from the speakers (if this feature is supported by your mobile device) - change from music mode to call mode automatically when receiving a call and automatically back to music mode when the call ends - the speakers can be used for listening to music with other music devices that have a standard 3.5 mm audio connector (audio line-in cable provided in the sales package). • - weight: 260h - dimensions: 213 x 58 x 54mm - cable length: 840mm - operation time with batteries: up to 30 hours - standby time with batteries: up to 550 hours - operating temperature: -20°c up to +60°c - minimum terminal interface requirement: bluetooth stereo v1.2 class 2 with hfp, hsp, a2dp and avrcp; and a music player - colour: black and silver - power: battery and outlet: speakers can be powered by batteries (4xaa) and nokia travel charger ac-4 - language support: english, dutch, french, german, italian, spanish, portuguese, arabic, finnish, swedish, norwegian, danish,icelandic,hebrew,greek,russian,estonian,latvian,lithuanian,polish,slovak,hungarian,czech,romanian,ukrainian,russian,serbian,croatian,slovenian,turkish,bulgarian parallel imported warranty: warranty one year delivery within 2-4 business days