?You will receive? Hearing aid earplugs and cleaning kit*2; data cable; power adapter; manual; charging compartment; hearing aid. ?Ergonomic design? A single hearing aid weighs only 3g, so there is no burden to wear it. The ergonomic design is convenient and comfortable to wear. Give away earplugs of different sizes, which perfectly fit everyone's ears. ?Simple mode? 4 adjustable volume modes to ensure clear sound can be heard in any environment. Simple one-handed operation, fast and convenient, suitable for all kinds of people, including the elderly. ?Extra-long standby? Binaural hearing aids can be fully charged within 2-3h and can reach an ultra-long standby time of 48h after being fully charged. ?Portable? The hearing aid is equipped with a portable charging compartment with a size of only 6.5cm*8.5cm, which can be put in your pocket at will. It only takes 1.5h to fully charge the charging compartment to charge 2 hearing aids 4-5 times!!!.