Microphone: Built-in superior HD microphone, provide clear and loud sound. Talking Time: 2-3hours. i7s Wireless Earphones: Get a pair of i7s wireless earphones. Package Includes: 1x pair of earphones, 1x charging box, 1x charging box cable, 1x user manual. Earbuds size: 55mm x 28mm x 73mm. Noise cancellation: Features advanced noise cancellation technology. I7 Earphones | White | Living Social