Nokia 3595 - Cell Phone - GSM User Manual page 141

Reference information
Headset Kit (HDE-2)
Small and lightweight, the headset kit allows easy and convenient
handsfree operation. This headset comes with a clip for a
comfortable fit. This headset's 4-wire 2.5 mm plug fits directly
into the bottom of your phone. See "Set up your headset" on
page 16 for more details.
Boom Headset (HDB-5)
Small and lightweight, the Boom Headset fits over the ear. This
headset has excellent audio quality with the microphone and
speaker integrated into the unit. The Boom Headset provides
basic handsfree functionality with an answer/end button.
See "Set up your headset" on page 16 for more details.
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