1. Perfect workout headphones that are snug and secure so the headphones stay put while running, biking or at the gym.

2. Built-in magnets let you attach the two headphones together when not using, and wear like a necklace around your neck, a convenient way to carry around when you don't need them.

3.The rechargable battery long life means you get 5-8 hours of continuous music, or can relax with 100-120 hours of standby time when powered with a 5V external charger.

4.noise Isolation technology reduces outside noises, enable clearer microphone sound.

5. Earbuds that work with all smartphones, tablets and music players. Latest Bluetooth 4.2 technology; easy and fast pairing with smartphones, tablets and other Bluetooth enabled music devices; T2 earphone provides pure, CD-like high quality sound for compatible devices.

6. The TF card slot provides you with more music reception, you can enjoy music anywhere.