-Lasting long play/talk time: Premium quality lithium accumulator, portable charging case, both of them allow you enjoy the music on-the-go for 24 hours. . -Latest Bluetooth 5.1 EDR Technology provide stable,faster connections to your devices and ensures wide compatibility,low latency and can connect it with Acsergery 2 devices simultaneously. . -Fully Sweatproof: Keep playing, running, and dancing in any conditions. APEKX wireless earbuds effortlessly resist sweat and rain, and can even be rinsed clean under the tap. . -Interchangeable over-ear earhooks: In order to ensure comfort of use and stay firmly in your ears,we offer another pair of earhooks in the package for you. . - Friendly Customer Service: with Acsergery 1 Year Warranty, 30 days return policy and lifetime support from our friendly customer service. Choose the APEKX wireless in ear headphones worry 0 today. .