Bluetooth Headphones,5ive Bluetooth 4.1 Wireless Stereo Sports Earphones Headset Headphone for Running Gym Exercise with Microphone for iPhone iPad Samsung and More(White) Comfortable in-ear design, snug and secure,make sure the headset stay put and your music stays smooth when you are running,cycling,exercising and doing other activities. Latest Bluetooth 4.1 technology,easy and fast pairing with smartphones, tablets and other Bluetooth enabled music devices. Experience realistic digital sound quality on the go,enjoy natural sound and deep base with all with the freedom that a wireless headphone offers. Noise cancellation do a good job of blocking out the noises around you.Super sound performance.Built-in microphone. Detailed voice instructions to guide you for easy using Built-in rechargeable Lithium-poly battery.Up to 4 hours of uninterrupted talk/playing time and 120 hours standby time.Can be fully recharged within 1-2 hours.