The touch-operating feature provides effortless control at your fingertips, allowing you to manage calls, music, and more with a simple touch. With a compact 30mAh battery in each earbud and an additional 200mAh in the case, enjoy up to 4 hours of uninterrupted music playback, ensuring you stay charged on the go. Equipped with a Type-C charging port, the WS-4200 offers quick and convenient charging, minimizing downtime. The impressive transmission distance of 10-15 meters ensures you can move freely without sacrificing audio quality. Immerse yourself in the best BT earphone experience, featuring advanced noise cancellation technology. These earbuds redefine the cost of Bluetooth headphones by offering premium features at an affordable price point. Upgrade to the TWS Earbuds WS-4200 and elevate your audio experience – because you deserve the best in headphones and earphones.