Rechargeable, no need to change batteries Suitable for individuals with mild hearing loss Easy to operate and use Adjustable volume for different listening environments Separate wire and headphone design for added convenience and safety Compact Walkman-style design fits easily into a pocket or handbag Ergonomically designed to fit comfortably in the ear Amplifies sound with low background noise, helping users enjoy conversations with family and friends, feel more confident in daily activities, and better experience movies, music, and TV programs Delivers clear and natural sound quality Simple operation with no complicated settings, ideal for elderly users Up to three charges provide a month of standby time Bone conduction headphone design with dual earphones Model Number: Bone Conduction Headphones Item Type: Ear Care Type: Cassette Hearing Aid Power Supply: Rechargeable Item: Headphone hearing aid Function: Sound Enhancement, Noise Reduction This hearing aid is designed to assist individuals with mild hearing loss. It helps amplify sound so users can more easily engage in daily activities and social interactions. Item Type: Bone Conduction Headphones Maximum Output: Less than 129dB 3dB Output Sound Pressure: 120dB 4dB Full Sound Gain: 40dB 5dB Frequency Response Range: 450Hz - 3000Hz Harmonic Distortion: Less than 10% Equivalent Input Noise Level: Less than 32dB Charging Time: 6-10 hours Continuous Working Time: 12-18 hours Function: Sound Enhancement, Noise Reduction Intended Use: Designed for individuals with mild hearing loss Color: Black Material: ABS + Silicone Dimensions: 95 x 40 x 7mm Package Contents: 1 x Amplifier 1 x Headset 2 x Pairs of Earplugs (Different Sizes) 1 x Charging Cable 1 x User Manual Note: If whistling or feedback occurs, turn off the device, set volume to minimum, then power on and gradually adjust volume to a comfortable level. Package includes only the items listed above. Due to lighting and display differences, the actual product color may vary slightly from images. Measurement tolerance: 1-3cm.