Bluetooth Headphones, Magnet Wearable V4.0 Wireless Hands Free earbuds, Lightweight Sweatproof Bluetooth Stereo Sports Headset Earphones In-Ear Noise Isolating Headphones with Microphone-Black Magnet Headphones Design: Lightweight intelligent magnet at earplugs end to make whole Wireless Headphones as a circle, hang like a necklace around your neck. Works excellent with your favorite media device, whether you're on the move or relaxing at home! Most mobile phones, music players, and tablets. Include an integrated smart-phone remote and microphone allowing for easy control of volume, tracks and calls when exercising. 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. About 4 hours playing time, 1.5 hours charging time, 180 hours standby with a single charge, so you have less time charging and more time doing. Sports Bluetooth Headphones, 45 days money-back & 12-month worry-free warranty, and friendly customer service