E n h a n c e m e n t s68 Copyright © 2007 Nokia. All rights reserved.6. EnhancementsCheck the model number of any chargerbefore use with this device. This device isintended for use when supplied withpower from Nokia AC-3 or AC-4 charger.Warning: Use only batteries, chargers andenhancements approved by Nokia for usewith this particular model. The use of anyother types may invalidate any approval orwarranty, and may be dangerous.A few practical rules about accessories andenhancements:• Keep all accessories and enhancements out of thereach of small children.• When you disconnect the power cord of anyaccessory or enhancement, grasp and pull theplug, not the cord.