Bluedio Q5 Sports Bluetooth stereo headphones/wireless Bluetooth4.1 headphones/headset Earphones for outdoor Sports Gift package (Green) 1. 0 Control Box: Revolutionarily, Q5 has no heavy control box. No annoying box swings back and forth, even tries to pull out the earphones during workout. You may ask: but can I control music & calls? Dont worry, there are buttons on the right earphone for you to control. 2.Bluetooth 4.1 Chip: The latest Bluetooth chip, can transmit data at high speed and bring you smooth music experience. Its low power ensures long lasting battery life: up to 7 hours continuous music time. It also works well with most mobile phones like iPhone/HTC/Motorola/LG/Samsung... 3. T-light Ear Tips: Q5 comes with a pair of T-light ear tips, you can put them on Q5, then fit them into your ears. They can help the earphones fix firmly in your ears and not fall out. 4. Fashionable: Finally we picked out three colors: green, red and blue, because we think they can best stand for your energy, passion and peace in mind. 5. Clear Calls: Q5 has a built-in microphone inside, you can use it for calls. When a call comes, you dont need to pull off the earphones, just press the button and talk.