● Powerful 40mAh Li-ion battery and low power consumption technology, allows up to 2 hours of talking
● Ergonomic design, lightweight, perfect size and comfortable to wear, and won't come loose or fall out in running, riding, playing games, or working
● Smart voice prompts for incoming calls, and low battery remind, you won't miss important calls or messages during cycling or running. And you'll never have to take your phone out of your pocket
● Bluetooth v4.1, efficient transmission speed, digital noise-reduction and echo cancellation design provides high quality clear and natural voice
