1 a wasting away of the body, as from poor nutrition, nerve damage, or disuse. 2  to undergo atrophy; wither; degenerate:His crippled leg began to atrophy with no exercise. 3  to become weakened; decline:Industry atrophied in bad economic times.
Voice Amplifiers / Long Range Listening Devices. Listening devices can be utilized for a variety of purposes including listening through a wall, listening from a distance or enjoying your favorite animals in the wild. More complex systems contain an audio transmitter and receiver.
Easy pairing to any NFC or Bluetooth phone, tablet, or device. Built in microphone for automatic Call receiving. Lightweight and comfortable (weighs just 104g) Long lasting battery of over 250 hours in standby or 10+ hours of continuous music or 11 hours of telephone usage.