Thank you for viewing. Operation has been confirmed. A valuable item, first come, first served. [Product Overview] Size: 175 x 170 x 45 mm, Transmitter: 48 x 65 x 19 mm Power supply: AC adapter included Specifications: Charging time: Approximately 3 hours, Continuous usage time: Approximately 5 hours (transmitter), AC adapter, Communication distance: Approximately 10m (varies depending on the surrounding environment, such as obstacles.) Materials: ABS, PP, Silicone rubber, ABS, Nylon [Product Description] Neckband ear speakers. Hear TV audio clearly at your ears. TV audio is clear at your ears. Since it doesn't block your ears, you can also hold conversations. Easy setup, easy operation with no pairing required. [Product Details] Brand: TWINBIRD Product Name: TWINBIRD Wireless Ear Speaker AV-J343W Manufacturer: TWINBIRD Product Number: AV-J343W AV-J343-TX AV-J343-RX 650