Slip into serenity with the Promate Blend wireless neckband earphones. These earphones are designed to energize your exercise with acclaimed high-fidelity sound and a comfortable, stable fit. Boasting up to 70 hours of playtime and a built-in LCD screen that will keep you posted on the battery; you can have your tunes set up for the entire day. The in-line audio controller and high-grade mic, lets you take hands-free calls and also control music flawlessly. Load all your music files on a TF card and use the built-in card slot for full-on entertainment. Get Immersed in high-definition sound only with Blend.