Your Nokia N9516HeadsetYou can connect acompatible headset orcompatible headphones tothe Nokia AV Connector(3.5 mm) of your device.You may need to selectthe cable mode.Do not connect products that create an output signal asthis may cause damage to the device. Do not connect anyvoltage source to the Nokia AV Connector.When connecting any external device or any headset,other than those approved by Nokia for use with thisdevice, to the Nokia AV Connector, pay special attention tovolume levels.Warning: When you use the headset, your ability tohear outside sounds may be affected. Do not use theheadset where it can endanger your safety.To use a headset or headphones with a remote control unit,for example, the Nokia Audio Controller AD-43, connectthe unit to the connector in the device, then connect theheadset or headphones to the unit.Some headsets do not include a microphone. For phonecalls, use such a headset with a remote control unit or themicrophone of the device.When using certain headset enhancements, for example,the Nokia Audio Controller AD-43, to adjust the volumeduring a call, use the volume key in the device. The NokiaAudio Controller AD-43 has multimedia volume controlsthat are used to adjust the volume only for music or videoplayback.Memory cardUse only compatible microSD cardsapproved by Nokia for use with thisdevice. Nokia uses approved industrystandards for memory cards, butsome brands may not be fully compatible with this device.Incompatible cards may damage the card and the deviceand corrupt data stored on the card.Keep all memory cards out of the reach of small children.