Thank you for viewing. This is the product page for the Wireless Stereo Headset WF-C510 (B) Black. 【Purchase Date】 September 2025 【Product Description】 ・Make the sound from your smartphone even better Well-balanced from low to high frequencies, and even higher sound quality. With Sony's proprietary "DSEE" technology, you can enjoy high-quality sound sources. Compatible with 360 Reality Audio, AAC, and SBC. ・The smallest size in Sony's sealed, fully wireless history By reviewing the internal structure, the main unit size is about 21% smaller than the previous model WF-C500, and the weight is a light 4.6g each. The case is also about 23% smaller, and the texture is matte. ・Comfortable fit that easily fits various ear shapes Small, lightweight, and designed to fit the shape of the ear, providing a comfortable fit for long hours of use. It protrudes less from the ear and can be worn smartly. ・New function: Ambient Sound Mode Equipped with an ambient sound mode that allows you to hear the surrounding sounds. You can easily switch ON/OFF with the main unit operation. ・Long battery life with up to 11 hours of playback on the main unit despite its small size and light weight With a long battery life, the main unit can play for up to about 11 hours, and with the case, a total of up to about 22 hours of playback is possible. Also, 5 minutes of charging allows for about 60 minutes of playback. ・Supports voice assistant function Equipped with Google Assistant and Amazon Alexa. You can perform operations such as listening to music with voice commands. ・Simultaneous left and right transmission connection Both the left and right sides of the main unit simultaneously transmit Bluetooth signals from the player, achieving high connection stability and reducing the lag between video and audio during video viewing. ・Compatible with the "Find My Device" app You can check the location and time connected to the Android device on the map with the Google app "Find My Device". A purchase receipt/delivery note is not included. 73so Brand new, unused ☆ Immediate purchase OK ☆ Free shipping! ※If you would like to purchase the product, please comment, and I will create a dedicated page for you, so feel free to do so ♪ Please feel free to ask any questions you may have ♪