Hirich QY8 Mini Lightweight Bluetooth Headphones Earphones Headsets, Wireless Stereo Bluetooth V4.1 Sweatproof Sport Running & Gym Exercise Noise-reduction Earbuds with Mic 1.Comfort Fit for Workout:Soft and Removable design,strap is adjustable.Your ultimate comfortable choice for wireless music and call when training.item is very compact(20g),you will not feel uncomfortable to wear it up. 2.Sweat proof:Waterproof testing,Immersion in water beyond 1 meter,take out Immediately;water splashing from any direction--No Harmful effect.So go ahead,move,sweat and rock hard,Running In the Rain. 3.Enjoy High quality music:Bluetooth 4.0 and aptX technology,Delivers CD-quality wirelessly over bluetooth from iphone 6 iphone 6s,samsung or other.Good sound insulation,stereo bass,7 hours for music or talk.I love it.you also can love it. 4.High connection strength:Quickly and easily pairing and connection through the in-built NFC.it can connected when you turn it on.Not easy to lose connection.I test many,it has noise;or lose connection when you put your phone in the bag or your back pocket. 5.Handsfree,Good for driving or sporting:Dual,high-performance mics deliver superb noise cancellation,so calls come in crystal clear.You just need to press on button