digital media presents bluetooth type hearing aid. It is a rechargeable hearing aid with attractive design appearance, it looks like a bluetooth, work forhours after fully charged. Earphone and easy for carry, you can use 2way of with ear hook and without. Rechargeable, work for about 20hours after fully charged. Bluetooth type, invisible, nobody knows it's a hearing aid. Built in 70mah lithium battery, it can work for about 20hours continuously after fully charged. On/off switch, volume control different size noise prevention earplug, good sound quality, 30 meters away. Use the most splendid lithium battery power supply, provides the battery charger, rechargeable for 1000 times.Strict quality control, test by the hearing aid test machine of fonix 6500-c,fonix 7000 and cr6128.Always look out for blazon digital media id for your genuine and 100% original buy.