This black MonoPrice 10920 High Performance NFC Bluetooth Speaker allows for a 3.5mm AUX input for devices lacking both NFC and Bluetooth capabilities. Compliant with Bluetooth versions 2.1 and later devices and the A2DP and HFP Bluetooth profiles.Do you get frustrated with all the cryptic button presses needed to pair your phone with a Bluetooth trade; speaker? Eliminate the frustration by using this High Performance NFC Bluetooth Speaker from Monoprice! This speaker complies with the Bluetooth 2.1 specification, with the A2DP and HFP profiles. It features a Near Field Communications capability, which allows you to pair the speaker to your phone simply by touching your phone to the speaker handle. The A2DP profile allows you to control the volume and to skip tracks from the speaker controls and the HFP profile allows you to use the speaker, with its built-in microphone, as a hands-free communication device.