USB-​C connection Two volume limit settings: 85 dB or 100 dB Built-in microphone IPX5-rated sweat and splash resistance 5 ear tip sizes included (XXS-L) 10mm drivers ​for high-fidelity, immersive audio Durable, tangle-free cable Belkin Signature Sound delivers full, balanced, high-fidelity audio Plug-and-play, no charging required Made with post-consumer recycled materials​* 100% plastic-free packaging