Creatively combined with pop fidget elements on the side of the headphone, it features lots of sensory bubbles that help to relax by pressing them while you are listing to music or watching videos. An excellent BT headset as well as a perfect stress relief toy for you. Our rainbow color on-ear headphone adopts Bluetooth 5.0 technology with a built-in mic for a stable signal, better noise reduction, and a wonderful stereo system. The headset is made of high quality silicone and electronic components, lightweight for carrying and comfortable for use. Built-in 400mA battery, which can be used for up to 18 hours and standby for 48 hours. The headphone also features several buttons for plus, minus, pause/play which allows one-finger operation.