1. Introduction
Read this user guide carefully before using the headset. Read also the user guide
for your phone, which provides important safety and maintenance information.
Keep the headset out of reach of small children.
The Nokia Bluetooth headset HS-37W is designed for all-day wear, and provides
up to 15 hours of talk time with a single AAA battery.
This device is intended for use when supplied with power from a 1.5 V LR03 / AAA
Alkaline battery. The use of any other types may invalidate any approval or
warranty, and may be dangerous. Always switch the device off before removing
the battery. Ensure the correct polarity is observed when inserting the battery.
Do not try to recharge the battery unless the manufacturer of the battery has
intended the battery to be rechargeable.