UCLEAR Digital Pulse Plus Wired Drop-In High Definition Helmet Speakers with Controller - Compatible with Android Extreme Bass and Clean Sound- Our Audio Engineers worked feverishly on the Pulse Plus to bring you Hi-Fi audio. Clear voice audio to exceptional music playback, they nailed it. These guys love their hip-hop so they pumped up our sound drivers to bring you the best sound in helmet audio. Easily Transfers From Helmet to Helmet- The Pulse Plus design allows you to swap your speakers quickly from one helmet to another. So, if you shred on your board in the morning and hit the bike in the afternoon the Pulse Plus drop-ins will keep you connected to your music, or those cant miss phone calls. Android in-line control Built in Microphone High Fidelity audio