Product Comfortable: Made of high-quality material, durable and sturdy, comfortable to wear. Ergonomic design, soft and flexible, these hearing aids help you a lot in daily life. Noise-canceling: Built-in intelligent chip, clear and noise-canceling, no worry about the noisy environment. USB Rechargeable: Safe and rechargeable, with a long standby time, no need to replace the battery, environmental-friendly, and power-saving. Convenient: Easy to operate and use. One button to switch the working modes, to adapt to different occasions, whether at home or on a noisy street, to bring you clear sounds. Packing list:1 x Hearing Aids Note: 1. Due to the different monitor and lighting effect, the actual color of the item may be slightly different from the color shown on the pictures. 2. Please allow 1-3cm error due to manual measurement. (1 inch = 2.54 cm) Thanks for your support :)