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Synchros
S300a/S300i

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Summarization of Contents

Safety and Usage Guidelines
General Safety Warnings
Critical safety precautions including pacemaker proximity, electrical socket use, and child supervision.
Important Usage Advice
Guidance on volume control, traffic safety, and ear pad maintenance for optimal use.
Product Disposal Information
EU Waste Electrical & Electronic Equipment Disposal
Instructions for responsible disposal of electronic waste for households within the European Union.
Disposal Guidelines Outside the EU
Procedures for discarding the product in countries outside the European Union.
JBL Product Support and Warranty
JBL 1-Year Limited Headphone Warranty
Details on warranty coverage, terms, and conditions for JBL headphones.
Warranty Protection and Coverage
Information on who is protected and what aspects of the product are covered by the warranty.
How to Obtain Warranty Service
Step-by-step instructions for requesting product repair or replacement.
Safe Listening Practices Recommended
Manufacturer advice on maintaining safe listening volumes to prevent hearing damage.