Noise Reduction: The earphones feature industry-leading noise cancellation and superior sound quality, with microphone technology blocking 80 percent of noise so you can hear and be heard clearly no matter what. Lifetime: This hands-free Bluetooth headset provides up to 48 hours of talk time on a single charge. And comes with a charging compartment. Plus, with 10 meters of wireless range and advanced Bluetooth 5.1 technology, you'll have the exceptional connectivity you need to get the job done. Small Design: Ultra-small and ultra-lightweight, you can wear this headset comfortably all day long without compromising your productivity. Use with Bluetooth enabled smartphones or tablets. Not suitable for laptop or PC. Superior Durability: With dust and water protection, these mono ear headphones are durable enough no matter where you are. It's ideal for professional drivers, field service, retail, warehouse workers, and more. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.