Fones de ouvido FM/Bluetooth para provas de inglês na faculdade – Fone de ouvido supra-auricular com modo duplo, visor digital e bateria com duração de até 8 horas (compatível com CET-4/6)

"Your Secret Weapon for English Exams"​​ Engineered specifically for China's CET-4/6 listening tests, these headphones deliver crystal-clear FM reception even in crowded exam halls. The military-grade anti-interference chip eliminates 98% of signal noise. ​​Why Pros Choose This​​ ​​Dual Power System​​ – Bluetooth 5.4 (10m range) + wired backup ​​Precision Tuning​​ – 40mm drivers with vocal boost mode ​​Time Synchronization​​ – Displays both frequency and exam countdown ​​Hygienic Pads​​ – Removable PU cushions resist sweat stains ​​Academic Advantage​​ • FM auto-scan locks onto exam frequencies in 3 seconds • Left/right independent volume control for hearing differences • Ultra-light (220g) – 50% lighter than pro audio headphones