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The Nokia Bluetooth BH-504 wireless headphones are compatible with most of Bluetooth enabled handsets. The device adopts echo and noise cancellation for clear conversation and provides up to 7.5 hours of music playback, 9 hours of talk time, or 90 hours of standby time. Nokia also released the wired version of headphones in the form of the over-the-ear WH-500, the in-ear WH-800 and the WH-202s earbuds. The WH-500 has music controls that are located on the wire and provides a 3.5mm audio jack with a 2.5mm adapter. Meanwhile, the WH-202 headphones only has 2.5mm audio jack to connect to the Nokia handsets. And finally, the WH-800 earbuds comes equipped with an adjustable ear hooks, a volume adjustment, and connects to the phone via a 3.5mm jack or using 2.5mm adapter. [Electronista]















