Our factory specializes in the production of high-quality, reliable and durable sports Bluetooth earphones, and the E39-neckband flat ear design is one of our most popular products. Equipped with advanced Bluetooth technology, these earphones provide high-quality sound and reliable connectivity for your workouts. The neckband design offers a comfortable and secure fit, while the flat ear design reduces irritation and discomfort during prolonged use. With easy-to-use controls, these earphones are perfect for anyone looking to enhance their workout or outdoor activities. Trust our factory to deliver premium products that meet your needs.