Bluetooth Headset, Sweatproof V4.0 Wireless Headphones In-Ear Noise Cancelling Earbuds with Microphone & Stereo, Mini Lightweight Bluetooth Earphones for Running & Sports Workout Gym Fitness (Black) 1. Good for Exercise and Running. Our sport headphones will not fall out and have an operating distance of 10m! 2. High Convenience: bluetooth 4.0 stereo headset, bulit-in HD microphone and controls for volume, sound, song selection and incoming calls. Works great with almost 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. 3. HD Stereo & Noise Cancellation: Adopted CVC NOISE CANCELLATION 6.0 technology, offers you HD stereo APT-X lossless music and perfect crystal clear sounds. 4. High Capacity: 90mAh polymer battery, about 7 hours talking time, 5 hours music time, 200 hours standby time. 5. Great Compatibility: compatible with iPhone 6 plus 6 5S 5C 5 4S 4, iPad, iPod, Samsung Galaxy Note 5, Note 4, Note 3, Note 2, S6, S5, S4, S3, S2 most Android smart phones and other bluetooth-enabled devices.