*Excellent reception and transmission of audio signals *No interference from background noise *T-coil compatible *Binaural design *Push-button slider to cinch neckloop for closer microphone placement *Trouble-free operation *Offers a 30 dB max gain *Rotary volume control for easy adjustment and multiple levels of amplification *Built-in microphone *Quick release feature *Battery powered with a lithium ion rechargeable battery 8Charging options: AC adapter, USB cable and car charger (included) 8 Size: 1.25”x2.5”x.75” 8 Color: Black * 1-year warranty