The headset complies with the Bluetooth Specification 2.0 + EDR that supports the Headset Profile
1.1and
other devices to determine their compatibility with this headset.
There may be restrictions on using Bluetooth technology in some locations. Check with your local authorities or service provider.
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The headset contains the following parts shown on the title page: volume key (1), answer/end key (2), charger connector (3), power key (4), microphone (5), indicator light (6), and earhook (7).
Before using the headset, you must charge the battery and pair the headset with a compatible phone.
Parts of the headset are magnetic. Metallic materials may be attracted to the headset. Do not place credit cards or other magnetic storage media near
the headset, because information stored on them may be erased.
Chargers
Check the model number of any charger before using it with this headset. The headset is intended for use with the
Warning: Use only chargers 
approved by Nokia for use
with this particular headset. The use of any other types may invalidate any approval