Beats by Dr. Dre Pill Portable Speaker, Bluetooth, Compact - Pink Tap-to-pair with NFC technology for easy and instant Bluetooth 2.1 audio and supports SBC, aptX, AAC Codecs for high quality streaming Internal microphone for Bluetooth call functionality Use the Aux input for other MP3 players, phones, PCs, or anything with an analog output for optimal sound from all devices Provides clear, full-range sound delivered in a portable, lightweight package Use the line out feature for easy connection to an external speaker system