Keten Wireless Bluetooth Headphones with Mic Noise Cancelling, Neckband in Ear Sweatproof Stereo Earbud Earphone for Sport, Running, Biking, Jogging, Workout and Gym (Green) Comfortable Fit: With a flexible lightweight neckband design, the earbud-style headset rest comfortably around the base of the neck and fit ears securely. Its easy to forget youre wearing them when you workout. Long Battery Life: The 80mAh battery supports up to 6 hours of talk time, 4 hours of music and 180 hours of standby with a full charge. Enjoy your wireless sport time all day. Folds up compact: They stay neatly coiled when not in use, and can be fit in your pocket while folded. Perfect for exercising, biking, jogging, or outdoor sports. Universal Compatibility: Very easy to pair with your PC Tablet, iPhone, iPad, Android phone and other Bluetooth enabled devices. Reconnect automatically. Top-notch Service: Keten provides a 12-month Worry-Free warranty to all products and friendly customer service to all customers.