Bluetooth Earbuds , Caiji Wireless sports bluetooth headphones Earphones Headset for cell phone V4.1 Stereo In-Ear Headsets, Noise Cancelling Sweatproof Earbuds with mic for iPhone Android Connect with 2 Bluetooth Devices Simultaneously: Our Bluetooth headphones can pair with 2 different Bluetooth devices with IOS or Android system at a time. This is a great convenience for those who use two cell phones, without switch the headsets. Easy to use: You can use it to adjust the volume, play/pause, select songs and answer/hang up calls completely effortlessly. Pairing process is also very simple. High Quality Guarantee: Noise cancellation makes you enjoy a clear sound in noisy environment. Powerful rechargeable battery provides 5 hours of Talking/Playing time. The running headphones are even sweatproof, so you won't have to worry about wearing them when you're doing an extreme workout. Newest Version: With latest Bluetooth 4.1 and APT-X+EDR audio decode tech equipped, the signal of headphone is strengthened and Bluetooth working range ups to 33ft, allowing you the freedom from cords and greater flexibility of phone placement proximity.