Digital Hearing Aid Bluetooth Hearing Aid Auxiliary Hearing For The Elderly

Product information:
Power type: Type-c
Color: Skin Color Bluetooth single machine, blue Bluetooth single machine, skin color single machine [without Bluetooth], blue single machine [without Bluetooth], skin color Bluetooth pair [black warehouse]], skin color Bluetooth matching [white warehouse], blue Bluetooth matching [black warehouse], blue Bluetooth matching [white warehouse]]
Battery life: more than 12 hours
Rated Voltage: 3.7V