73E n h a n c e m e n t sTalk — shown when you press and hold the call key and get the permission tospeakSend a callback requestTo send a callback request from Contacts, scroll to a contact, and select Options >Send callback request.■ Connection managerIn the Connection manager, you can identify the status of data connections, viewdetails on the amount of data sent and received, and end unused connections.Note: The actual invoice for calls and services from your service provider may vary,depending on network features, rounding off for billing, taxes, and so forth.Select > Settings > Connectivity > Conn. mgr..To view connection details, scroll to a connection, and select Options > Details.To end a connection, scroll to the connection, and select Options > Disconnect. Toend all connections, select Options > Disconnect all.18. EnhancementsWarning: Use only batteries, chargers, and enhancements approved by Nokia foruse with this particular model. The use of any other types may invalidate anyapproval or warranty, and may be dangerous.For availability of approved enhancements, please check with your dealer. When youdisconnect the power cord of any enhancement, grasp and pull the plug, not the cord.19. Battery and charger informationYour device is powered by a rechargeable battery. The battery intended for use with thisdevice is BL-5F. This device is intended for use when supplied with power from the followingchargers: AC-4, AC-5, AC-6, AC-8 or DC-4 chargers. The battery can be charged anddischarged hundreds of times, but it will eventually wear out. When the talk and standbytimes are noticeably shorter than normal, replace the battery. Use only Nokia approvedbatteries, and recharge your battery only with Nokia approved chargers designated for thisdevice. Use of an unapproved battery or charger may present a risk of fire, explosion,leakage, or other hazard.If a battery is being used for the first time or if the battery has not been used for a prolongedperiod, it may be necessary to connect the charger, then disconnect and reconnect it to