![Amazon.co.jp: SONY WI-C300 Wireless Headphones: Bluetooth compatibility, Up to 20 hours of continuous playback, Built-in microphone, 2018 model blk : Electronics Amazon.co.jp: SONY WI-C300 Wireless Headphones: Bluetooth compatibility, Up to 20 hours of continuous playback, Built-in microphone, 2018 model blk : Electronics](https://m.media-amazon.com/images/I/71SBOjgZ2GL.jpg)
Amazon.co.jp: SONY WI-C300 Wireless Headphones: Bluetooth compatibility, Up to 20 hours of continuous playback, Built-in microphone, 2018 model blk : Electronics
![Amazon.co.jp: SONY WI-C300 Wireless Headphones: Bluetooth compatibility, Up to 20 hours of continuous playback, Built-in microphone, 2018 model blk : Electronics Amazon.co.jp: SONY WI-C300 Wireless Headphones: Bluetooth compatibility, Up to 20 hours of continuous playback, Built-in microphone, 2018 model blk : Electronics](https://m.media-amazon.com/images/I/51jqyHl27HL._AC_UF350,350_QL80_.jpg)
Amazon.co.jp: SONY WI-C300 Wireless Headphones: Bluetooth compatibility, Up to 20 hours of continuous playback, Built-in microphone, 2018 model blk : Electronics
![Amazon.co.jp: SONY WI-C300 Wireless Headphones: Bluetooth compatibility, Up to 20 hours of continuous playback, Built-in microphone, 2018 model blk : Electronics Amazon.co.jp: SONY WI-C300 Wireless Headphones: Bluetooth compatibility, Up to 20 hours of continuous playback, Built-in microphone, 2018 model blk : Electronics](https://m.media-amazon.com/images/I/61GGSNbOC4L._AC_UF894,1000_QL80_.jpg)
Amazon.co.jp: SONY WI-C300 Wireless Headphones: Bluetooth compatibility, Up to 20 hours of continuous playback, Built-in microphone, 2018 model blk : Electronics
![Amazon.co.jp: SONY WI-C300 Wireless Headphones: Bluetooth compatibility, Up to 20 hours of continuous playback, Built-in microphone, 2018 model whites : Electronics Amazon.co.jp: SONY WI-C300 Wireless Headphones: Bluetooth compatibility, Up to 20 hours of continuous playback, Built-in microphone, 2018 model whites : Electronics](https://m.media-amazon.com/images/I/51LfrChCwIL._AC_UF350,350_QL80_.jpg)
Amazon.co.jp: SONY WI-C300 Wireless Headphones: Bluetooth compatibility, Up to 20 hours of continuous playback, Built-in microphone, 2018 model whites : Electronics
![Amazon.co.jp: SONY WI-C300 Wireless Headphones: Bluetooth compatibility, Up to 20 hours of continuous playback, Built-in microphone, 2018 model whites : Electronics Amazon.co.jp: SONY WI-C300 Wireless Headphones: Bluetooth compatibility, Up to 20 hours of continuous playback, Built-in microphone, 2018 model whites : Electronics](https://m.media-amazon.com/images/I/51TzFdb8U3L._AC_UF350,350_QL80_.jpg)