ALTMAN Bluetooth Headphones Wireless Neckband Sweatproof Headset Noise Cancelling Stereo Earbuds with Mic (8 Hours Play Time, Bluetooth 4.1, Magnet Attraction) CONVENIENT MAGNET: Built-in magnet attracts the earplugs when they are not in use,decreasing the burden on ears and giving you convenient storage way to carry around, especially suitable for walking running. HIGH QUALITY SOUND: Aptx coding from bluetooth headphones provide high pure music and clear sound.CVC6.0 noise cancelling will offing you high definition call quality. COMFORTABLE NECKBAND DESIGN: Neck-Behind wearing style provides a comfortable fit and easy button control in light weight.This comfort-fit earbuds allows for easy and accurate one-touch control located on the neckband. BLUETOOTH 4.1 VERSION: Easy and stable pairing with your Bluetooth enabled device in several seconds. offering you impressive dynamic sound even you are 10 meters away from your device. INCREDIBLE WORKING TIME: The built-in 160mAh rechargeable battery provides up to 8 hours of continuous talking/music time and 300 hours of standby with a single charge.