PREMIUM HIFI STEREO SOUND: Advanced bluetooth 4.1 tech and newest high resolution CSR bluetooth chip ensure this wireless running headphones produce incredible sound quality with dynamic listening experience.

10 HRS LONG LASTING PLAYTIME: Bluetooth earbuds wireless are equipped with improved lithium battery, Offer up to 10 hours battery life with a quick charge of only one hour.Build-in magnetic design, you can attach 2 earbuds together when not in use.

IPX7 WATERPROOF EARPHONES: Build-in water-resistant nano coating technology efficiently protects sport wireless headphones from sweat and rain, ensures more guaranteed life span, perfect for indoor or outdoor activities.

IN-LINE MIC AND VOLUME CONTROL: With in-line microphone and button control,you can adjust the volume, change the track, play and pause the music via the in ear wireless headphones with microphone,no need to worry about missing call when you are away from phone.

WARRANTY: 30 days 100% money back guarantee,10-month replacement warranty,24-hour Customer-friendly Support Service. If anything is not to your full satisfaction, simply reach out to us and we will make it right. Guaranteed!