StrongFirst Lavalier Lapel Microphone Clip-on for Apple iPhone, iPad, iPod Touch, Samsung Android and Windows Smartphones, Listen to Music for Up to 300 Hours. (Black) Lavalier Bluetooth Headphone, free your phone and ear. Hear richer and more natural sound from your smartphones, tablets, and audio devices with the aptX codec. Bluetooth 4.1 offers a faster, more energy efficient connection so you can listen to music for up to 300 hours. Universally compatible with most Bluetooth-enabled phones. Note: To ensure the quality of the professional, it is recommended to use the non-wire music headphones.