Ideal for mild to moderate hearing loss; Exceptional voice quality through built-in microphone ; Pairs with Bluetooth(R)-enabled mobile smartphones (iOS(TM) & Android(TM)) as well as basic cell phones ; Boosts call volume up to 116dB SPL ; Built-in ClarityPower(TM) with high-frequency emphasis ; Multiple on-device controls offer a wide array of functions including answer/rejecting/terminating calls, answering a 2nd call, redialing numbers, voice activation/dialing (Siri(R), Google Assistant(TM), etc.) & more; 3.5mm input connects earbuds to amp; Missed call notification ; Rechargeable battery with up to 7 hours of talk time ; 1-year warranty; Includes extra-loud binaural earbuds, standard earbuds, extra earbud tips, power adapter, built-in shirt clip & lanyard with quick-release safety mechanism;