MPOW Cheetah Sport Bluetooth 4.1 Wireless Stereo Headset Headphones Earphone Earbuds - Retail Packaging - Green Clear, rich stereo music streamed wirelessly. Ideal for an active lifestyle, Mpow Cheetah Sport Bluetooth headphone allows you to both wirelessly enjoy music and take call during workout.^Bluetooth 4.1 with aptX codec for high-fidelity stereo music and clear speech, You can begin enjoying CD quality stereo sound instantly.^Locks In and Won't Fall Out. This headset is designed to lock in so you can focus on your workout. A behind-the-ear shape design means whatever the intensity of your workout you will get the perfect fit. It will stay firmly and comfortably in place.^Exercise is about breaking free so don't let wires hold you back. Skip tracks, control volume, take calls with a quick tap of your headset.