5Copyright © 2009 Nokia. All rights reserved.To charge the headset with acompatible Nokia charger that has a2.0 or 3.5 mm charger plug, use theNokia Charger Adapter CA-146C(sold separately).To charge the battery through theUSB port of a compatible PC,connect one end of the NokiaConnectivity Cable CA-101 (soldseparately) to the charger connectorand the other end to the USB port.The fully charged battery has powerfor up to 8 hours of talk time or upto 160 hours of standby time.To check the battery charge whenthe headset is not connected to acharger, press the power key whenthe headset is switched on. If theindicator light is green, the chargelevel is sufficient. If the light isyellow, you may need to rechargethe battery soon. If the light is red,recharge the battery.When the battery charge is low, theheadset beeps every 5 minutes andthe red indicator light flashes.Switch on or offTo switch on, press and hold thepower key for about 2 seconds. Theheadset beeps, and the greenindicator light is displayed. Theheadset tries to connect to one ortwo last connected devices. Whenthe headset is connected to a deviceand is ready for use, the blueindicator light flashes slowly. If theheadset has not been paired with adevice, it automatically enterspairing mode.To switch off, press and hold thepower key for about 2 seconds. Theheadset beeps, and the red indicatorlight is briefly displayed. If theheadset is not connected to a devicewithin 30 minutes, it switches offautomatically.