Copyright © 2003 Nokia. All rights reserved. 6The headset provides the best performance when it is used with a compatibleNokia phone. If you use the headset with a phone produced by anothermanufacturer, all the functions described in this user’s guide may not be available.In some countries, there may be restrictions on using Bluetooth devices. Checkwith your local authorities.■ Chargers and batteriesCheck the model number of any charger before using it with this device. The WirelessHeadset HDW-2 is intended for use with the following chargers: ACP-8, ACP-9 and ACP-12.Warning! Use only batteries and chargers approved by Nokia for use with thisparticular accessory. The use of any other types will invalidate any approval orwarranty applying to the accessory, and may be dangerous.For availability of approved batteries and chargers, please check with your localdealer.When you disconnect the power cord of any accessory, grasp and pull the plug, notthe cord.■ The card in the sales packageThe card contains the Bluetooth passkey you need for pairing your phone with theheadset. Keep this card in a secure place.For instructions on using the passkey, see Taking the headset into use for the firsttime on page 11.