Acatim QY9 V4.1 Bluetooth Mini Lightweight Neckband in-Ear Wireless Sport Stereo Universal Bluetooth Headphone Headset Earbuds with Microphone for Smartphone (Green) Newest Design QY9 bluetooth Sport headset . USA Brand SignalPlus for skip-free music outdoors. Use your music device left/right side, above/below waist, doesn't matter with SignalPlus. PureSound In-ear white noise and listener fatigue reduction. Eliminates the white noise and delivers a clean audio experience offering hours of pure enjoyment. Sweat-proof, durable design, Onscreen Battery Meter, Up to 5 hours of Talk/Playing Time and 145 hours Standby Time. High-fidelity stereo music and clear speech, You can begin enjoying CD quality stereo sound instantly.