Z-360BT Bluetooth Digital Hearing Aid Rechargeable Voice Amplifier Behind Ear Sound Features：1. 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.2. Noise-canceling: Built-in intelligent chip, clear and noise-canceling, no worry about the noisy environment.3. Multifunctional: There are 5 different sizes of earbuds, no worry about discomfort, suitable for different people.4. USB Rechargeable: Safe and rechargeable, with a long standby time, no need to replace the battery, environmental-friendly, and power-saving.5. Support Bluetooth function for hands-free operation or phone music.5. Convenient: Easy to operate and use. One button to.