Bluetooth appearance is difficult to distinguish. The body is small and durable, and it is not tiring to wear for a long time Conforming to the structure of the human ear, it disperses the force points of the earphones on the ears at multiple points, ensuring that they are worn for a long time without feeling burdensome. Smart radio waves directly skip the ossicular chain and transmit external sound through a membrane like circular window membrane that vibrates in reverse, ensuring that our eardrums are no longer damaged Built-in dual noise reduction function, automatically filtering out external noise, and filtering out the current sound of the hearing aid again, the sound sounds like the sound Newly upgraded lithium battery, powerful battery life available for 10 days, no need to wait for long charging time, no need to worry about charging at any time Plug Type:EU Plug,it applies to Indonesia, Germany, France, , Italy and so on. Voltage: AC100-240V Material: ABS colour: As shown Package Contents: 1 x Hearing aid 1 x Charging head 1 x Charging cable 1 x Cleaning brush 4 x ear caps Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.