The Artone MIC is the perfect solution for one-on-one interactions or social gatherings, business meetings, class rooms, conferences and lectures. When combined with the Artone 3 MAX Neckloop, the Artone-MIC will work with any hearing aid or implant equipped with a T-Coil. It provides intelligible speech understanding in environments of distance and/or loud background clamor Features Sensitivity control adjusts for one-on-one dialogue or for group conversations Has built-in rechargeable battery has usage of up to 7 hours Picks up sounds from 2 inches up to 5 feet Wireless range: 40 feet Includes built-in microphone plus an additional Lapel Microphone for optional use Includes 3.5 mm Audio Cable for streaming TV or music from an audio source Includes USB Charging Cable Compatible with Artone 3 MAX wireless, Bluetooth Neckloop One year warranty