Wireless Stereo Headset "WF-C510" White Brand: SONY (Sony) Color: White Wearing Style: In-Ear Headphone Type: Truly Wireless Model Name: WF-C510 Connectivity: Wireless High-Quality Sound and Customizable: Excellent balance from high to low frequencies, with natural and clear vocals. DSEE upscales compressed audio to near CD quality, and you can also adjust the sound quality to your liking. Reliable Basic Performance: Ultra-lightweight and compact at 4.6g for the main unit and 31g for the case. Despite its small size, it offers high battery performance, with a compact design for 22 hours of playback. Supports Multipoint Function/Ambient Sound Mode Water-Resistant: With IPX4 water resistance, you can enjoy music without worrying about rain or sweat. Bluetooth 5.3 for Secure Connectivity