Amplifies sound up to 50 decibels Ultra micro design Discreet Bluetooth design Hear up to 100 feet away! this is the rechargeable "upgrade" unit - no need to buy batteries! Discreet, lightweight, micro speaker looks like an ordinary Bluetooth earpiece.Soft, flexible tips hug right or left inner ear for a comfy, custom fit. Control volume to desired level. Micro Plus is a personal sound amplifier ...