Up to 35 hours of wireless listening with the built-in, high capacity rechargeable battery with 3-hour charging time. You can enjoy music anyway anytime without worrying about the battery running out. Lightweight, comfortable fit with angle adjustable earcups for custom fit.They provides long listening enjoyment. The headphones can be folded flat by turning the ear pads and compactly carried in your bag or pouch.You can also wear it around your neck since it won't get in the way. Choose the sound that best fits your music by easily switching modes with a press of the button. You can instantly turn off the microphone in order to maintain privacy during web conferences or calls. Allows easy voice control of compatible smartphones and devices. The HA-S36W features a multi-point function to simultaneously connect two devices at the same time. You can catch call easily from whether a personal smartphone or a device for work without reconnecting another device.