About this item【Advanced Background Noise Cancellation】Our digital sound device are designed to effectively handle background noise to help you focus on the sounds and voices you want to hear. Whether you're at home, traveling, or outdoors, these sound devices are ready to enhance your world with clear, vibrant sound【Portable rechargeable charging case】A full 3 hour charge ensures up to 18 hours of continuous use. The convenient power display shows battery status when you put it back the charging case, there will be 70 hours back up power at least it can last up to almost 3-4 time. so you don’t have to worry about running out of power during long-term activities【Comfort-Optimized Design】The high-definition LED display screen can clearly.
eBay