Waterproof Wireless Sport Headset Headphone Earpiece , Bluetooth 4.0 Support APTX NFC Music Stereo In-ear Earbuds Earphone , Dual Microphone , Suitable for Running Cycling Jogging Yoga Gym , Blue Comfortable: light weight, soft and removable design, adjustable strap. Feel free to use it for voice chat to achieve wireless MSN/Skype/Wechat Sweat proof and shock proof, waterproof testing,Immersion in water beyond 1 meter,take out Immediately; So just run in the rain or wear it in the shower High quality music: Bluetooth 4.0 and aptX technology, Delivers CD-quality over bluetooth .Good sound insulation,stereo bass,6 hours for music, 6 hours for calling, 150 hours standby High connection strength:Quickly and easily pairing and connection through the in-built NFC.it can connected when you turn it on 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,when call comes. 30 days money back or free exchange