The BH905I headset from Nokia eliminates up to 99 of ambient noise for an unparalleled listening experienceThanks to this headsets noise cancellation technology, you can enjoy remarkable sonic clarity, no matter where you decide to use them. Whats more, its Bass Boost function provides rich and reverberant bass notes.An added bonus is that the BH905I works with or without wires. Thanks to its included AC3E charger, this Nokia headset can be recharged in no time whatsoever, letting you make the most of its Bluetooth function while commuting.Lightweight and stylish, the BH905I has 24 hours of extended battery life when used for talking and 25 hours when used for listening to music.