Mini Wireless Bluetooth Headset Bluetooth 4.1 Invisible Sports Earphone Headphone Earbud Support Hands-free Calling for iPhone 6 6S 5 5S for Android Phone (Silver) It is one ear,not a pair ,and fit in either ear. Built-in HD and sensitivity microphone. Ideal for in-car calling or working use. Support A2DP , makes you can enjoy clear and natural sound when calling. Built-in 50 Mah polymer battery,Up to 4 hours of continuous talk time, 3hours of music time with a full charging. Pair the FYSS Mini Bluetooth earphone with two Bluetooth source devices simultaneously. For example, connect the headphone to your iPhone or Android phone, and to your iPad, tablet at the same time. The FYSS Mini wireless Bluetooth headphone is perfect for running, going to the gym, biking, hiking, and any other activity. It's hands-free for maximum convenience. Compatible with iPhone 6s, 6s Plus, 6, 6 Plus, 5s, 5, 4s, iPod; iPad, iPad Mini, iPad Pro; Macbook, Macbook Air, Macbook Pro, iMac, Mac Pro, Mac Mini; Samsung Galaxy S7/S6/S5/S4, S7/S6 Edge/Edge+, Note 5/4/3/Edge; other Android and Windows smartphones, tablets, laptops, and computers.