Amplify and enhance the OrCam audio.
Speaker can be used with OrCam Read, Read 3 and Read 5. 
Just insert and click into audio jack on back of Read devices. 
Portable & rechargeable. Comes with charging cable. 
Especially helpful for users experiencing hearing loss or using hearing aids. 
Specs
Charge Current Voltage DC 5V 2A
Frequency Response 50Hz - 18KHz
Output Power 3W
Approximately 1.75" diameter x 1.25" height
Weight 1.75 oz.