Bluetooth Earbuds,show wish Wireless Bluetooth V4.1 Sports Headphones Earbuds Sweatproof Running Gym Stereo Headset Hands-free Stay in Ears Earphones with Mic (Green) Bluetooth 4.1 Technology: easy and fast pairing with smartphones, tablets and other Bluetooth enabled music devices; Can connect to 2 phones at the same time, and you will not miss any important calls. Comfortable silicone ear tips with adjustable buds. Ergonomic tip design prevents the earbuds from fall out of your ear. Noise cancellation technology:with excellent sound effect collection, superior sound isolation, efficiently reduces external noises, and provides steady Bluetooth signal and support stereo APT-X lossless music. Easy to pair: Only press multi-function button for 5 seconds, it will enter matching mode. (Blue light is blinking continuously) Compatible with iPad Pro, Samsung Galaxy S6, iPhone 6S 6S Plus iPhone 6 6 Plus 5S 5C 5 4S 4 3GS 3G, iPad 4th, 3rd, 2nd, 1st, iPad Mini. Incredible super long music time:With built-in large capacity battery, you can get approx 5-6 hours music playing time, and about 240 hours standby time.