The headset uses Bluetooth 5.0 technology, built-in microphone, stable signal, better noise reduction effect, and wonderful stereo system. The earphones are made of high-quality silicone and electronic components, incorporating popular fidget elements, and pressing them helps you relax. A great Bluetooth headset that is also your perfect stress relief toy. 400mA Battery Capacity – Built-in 400mA battery for up to 18 hours of use and 48 hours of standby. The headset also features multiple plus, minus, pause/play buttons for single-finger operation. The novel combination of a classic headphone with a popular fidget toy makes this a great headphone toy for kids and adults alike.