Tera Bluetooth Wireless Sports Stereo Headset Earphone Handsfree Headphone for Cell Phone iPhone 6 Plus 5S 5C Samsung S5 4 Note 3 2 iPad Notebook PC Color White Can connect two phones simultaneously. Support IOS system above shows the current power situation. Bluetooth version 3.0+EDR, 10m effective range. Built-in high-quality stereo speakers, advanced noise cancellation technique. Adjustable headband for comfortable wearing. Compatible with all Bluetooth smart phones, such as iPhone 6, 6 Plus, 5S, 5C, 4S, 4; Samsung Galaxy S5, S4, Note 3, 2, HTC, Sony, etc. and PC Notebooks that support Bluetooth function