[. . . ] Check with the manufacturers of other devices to determine their compatibility with this device. Bluetooth wireless technology Bluetooth wireless technology allows you to connect compatible devices Get started The headset contains the following parts shown on the title page: volume ENGLISH key (1), multifunction key (2), indicator light (3), charger connector (4), earpiece (5), and microphone (6). Before using the headset, you must charge the battery and pair the headset with a compatible phone. When you disconnect the power cord of any enhancement, grasp and pull the plug, not the cord. Charge the battery Before charging the battery, carefully read "Battery information". Connect the charger to a wall materials may be attracted to the device. Do not place credit cards or other magnetic storage media near the device, 2. [. . . ] During charging, the red because information stored on them may be erased. Charging Chargers the battery fully may take up to 2 This device is intended for use when hours. When the battery is fully charged, chargers: AC-3, AC-4, AC-5, and DC-4. Disconnect the charger approved by Nokia for use from the headset and the wall with this particular outlet. The use of any other types If the headset was connected to may invalidate any approval or warranty, your phone before charging, the and may be dangerous. headset connects to it again. ENGLISH The fully charged battery has power for up to 11 hours of talk time or up to 500 hours of standby time. When the battery is discharged, the headset beeps every minute and the red indicator light flashes quickly. Activate the Bluetooth feature on the phone, and set it to search for Bluetooth devices. Enter the passcode 0000 to pair To switch on, press and hold the and connect the headset to your multifunction key for about 2 seconds. In some phones, you may The headset beeps, and the green need to make the connection indicator light is displayed. Unplug the charger from the electrical plug and the device when not in use. Do not leave a fully charged battery connected to a charger, since overcharging may shorten its lifetime. If left unused, a fully charged battery will lose its charge over time. Always try to keep the battery between 15°C and 25°C (59°F and 77°F). A device with a ENGLISH hot or cold battery may not work temporarily. Battery performance is particularly limited in temperatures well below freezing. Important: Battery talk and standby times are estimates only and depend on network conditions, features used, battery age and condition, temperatures to which battery is exposed, and many other factors. The amount of time a device is used for calls will affect its standby time. Likewise, the amount of time that the device is turned on and in the standby mode will affect its talk time. Care and maintenance Your device is a product of superior design and craftsmanship and should be treated with care. The following suggestions will help you protect your warranty coverage. [. . . ] Likewise, the amount of time that the device is turned on and in the standby mode will affect its talk time. Care and maintenance Your device is a product of superior design and craftsmanship and should be treated with care. The following suggestions will help you protect your warranty coverage. Precipitation, humidity, and all types of liquids or moisture can contain minerals that will corrode electronic circuits. High temperatures can shorten the life of electronic devices, damage batteries, and warp or melt certain plastics. [. . . ]