1Rechargeable, no need to change batteries2Suitable for the elderly hearing loss3Easy to operate, easy to use4Adjustable volume, which can be adjusted according to different occasions5Separate wire and headphone, more convenient and safe6The Walkman design makes it easy to carry and fits easily into your pocket or handbag.7Full use of the ear structure to design the appearance of the hearing aid, which makes it perfectly fit wearer's ears for a comfortable wear.8Helps to amplify sound with low background noise, you can discover the pleasure of gathering with friends and family, feeling more confident at work and enjoying movies, music and TV programs9You can hear clear and natural sound, no embarrassing, no when seeing and visiting your relatives, friends.10Simple to use, no complicated program and operation, specially designed for the elder.11Three times can be standby for a month, which is super efficient12A bone conduction headphones with two earphonesModel Number: Bone Conduction HeadphonesItem Type: Ear CareType: Cassette Hearing Aidsupply mode: RechargeableItem: Headphone hearing aidFunction: Sound Enhancement, Noise SoundIf you find it's difficult to hearing very well from others, a hearing aid can help you regain your hearing so you can live the life you are used to. This hearing aid is specially designed for the hearing losing people. Wearing it, you can discover the pleasure of gathering with friends and family, feeling more confident at work and enjoying movies, music and TV programs.Item Type: Bone Conduction HeadphonesMaximum level: Less than 129dB+3dBOutput sound pressure: 120dB + 4dBFull sound gain: 40dB + 5 dBFrequency response range: 450Hz-3000Hzharmonic distortion: Less than 10%Equivalent input noise level: Less than 32 dBCharging time:6-10hContinuous working time: 12-18hFunction: Sound Enhancement, Noise Sound BlockingAdapt to the crowd: Mild hearing loss groupcolour:blackMaterial:ABS + Siliconesize:95*40*7mmPackage Contents:1 * Amplifier1 * Headset2 * Pairs of Earplugs ( Different Size )1 * Charging Line1 * InstructionsNote:If the squeak is happening, please switch off the headphones first, then adjust the both volume to minimum, switch on the headphone again, and adjust the volume higher to appropriate again.Only the above package content, other products are not included.Note: Light 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.