Add Bluetooth connectivity to your t-coil enabled hearing aid! The Artone 3 MAX pairs with any Bluetooth-enabled device, such as cell phone, TV or MP3 player. It transmits sound from the paired device directly to your t-coil enabled hearing aid, providing crystal clear, amplified sound. Sends crystal clear amplified sound from your Bluetooth device to a t-coil equipped hearing aid Lightweight pendant fits comfortably around your neck Pair up to 2 devices Features: 50dB amplification Echo and background noise cancellation for clearer sound in any environment 30ft range between neckloop and connected device Pair 2 Bluetooth devices at once Push button operation with voice dialing Music playback control Rechargeable Li-ion battery for 4-5 hours of use Bluetooth V4.1 and supports profiles A2DP/HS/HF/AVRCP Dimensions: 1.25" W x 1.77" H x .66" D Warranty One year warranty Product Type Accessory Amplification 50dB Quick Disconnect No Built-in Microphone Yes Battery Type Li-Ion Hours of Use 4-5 Range 30ft Voice Prompts No Connection Bluetooth UPC 700220637832