Wireless earphones for TV, up to 10 hours of operation, USB rechargeable. Amazon purchase price: 3980 yen - Type: Wireless earphones - Connection method: USB rechargeable - Operating time: Up to 10 hours - Frequency band: 2.4GHz - Bluetooth support: Yes - Application: For TV - Features: Easy connection Purchased new on Amazon in July 2025 for my parents' home. I am selling it because they preferred wired earphones and no longer need it. I only tested it once, and it has not been used since then.