Rechargeable for Long-lasting Use. Ideal for Sports Events, Concerts, Festivals, Studying, and Operating Machinery. Rechargeable lithium battery for long-lasting use. Adjustable headband for a comfortable fit. Soft and comfortable cushion blocking with good sealing to wear. Enjoy your favorite radio stations and music with the convenience of Bluetooth. Focus on your business without being disturbed by outside noises. Easily adjust the length of the headband for a customized fit. Protect your hearing during sports events, concerts, festivals, studying, and operating machinery. Our headphones are rechargeable, eliminating the need for constant charging or battery replacement. The adjustable headband allows for a comfortable fit, and the soft cushion blocking provides a comfortable wearing experience. Whether you’re attending sports events, concerts, festivals, studying, or operating machinery, our headphones will protect your hearing and provide a high-quality audio experience. Alternative Carriers – We may use alternative carriers e. To ensure your package arrives safely and on time. Your feedback is extremely important to us. We strive to provide the best products and customer service possible. We are committed to resolving any problems and ensuring your satisfaction. Thank you for supporting our small family business!