The New Wireless Ear buds i7s are the best ear buds with refined sound and a polished look which can be perfectly to fit your ears. This item is small and portable to be as best gift for everyone. Custom your logo or company name on the ear buds and become your next promotional event. The charging case holds roughly 4 full charges and each charge works for roughly 5 hours. About 1-hour charging you can make the earbuds battery from died to full charge, and only 2 hours for charging case.