Wireless in-ear TWS headphones offering high quality and reliability bluetooth transmission. They feature a simple, oval design with an ergonomic shape, small size and unobtrusive design. Headphones utilize state-of-the-art Bluetooth 5.0 standards with reliable SBC and AAC codecs. They come with a rechargeable sleeve that extends the basic 4 hour battery life by an additional 3 to 4 charging cycles without the need for a power outlet.