Nokia Bluetooth Stereo Headset BH-905

Focus on your music or calls with active noise cancellation technology and superior audio quality with advanced digital signal processing (DSP).
Operating keys: multifunction key for power on/off, answer/end, voice dial, and redial, volume up, volume down, play/pause, next track, previous track, and active noise cancelling on/off.
3.5 mm Nokia AV connector with supporting adapters for: 2.5 mm Nokia AV connector, standard 3.5 mm jack, standard 6.3 mm jack, and standard airplane jack.
Stereo Bluetooth support with A2DP and AVRCP profiles. 10 metre range.
Speaker drivers: 32 mm high performance drivers
Number of noise cancelling microphones: 8; and 2 additional microphones capturing speech and advanced digital signal processing (DSP) for clear communication.
Active noise cancellation technology: Reduces up to 99% background noise
180 mm x 155 mm x 59 mm dimensions and 175g in weight.
Battery lifetime (600 mAh battery with 2 hour recharge cycle):