الوثائق والبرامج
معارف
- BackBeat 903/906: Range
- BackBeat 903/906: Basic Controls
- BackBeat 903/906 Product Information
- BackBeat 903/906 Spares and Accessories
- BackBeat 903/906: Product Specifications
- BackBeat 903/906: Music Controls
- BackBeat 903/906 Troubleshooting: Headphones Not Working
- BackBeat 903/906 Troubleshooting: Poor Audio Quality
- BackBeat 903/906: Headphones Phone Controls and Indicators
- BackBeat 903/906 Troubleshooting: Volume too High/Low
الضمان
-
Limited Warranty Terms -
خدمة ضمان سماعة الرأس