Custom TaoTronics SoundLiberty 53 (TT-BH053) is another PREMIUM GIFT CHOICE besides our mobile device wireless earbuds! As the "Amazon's Choice", these earbuds have a crystal clear sound and superb long playtime. Custom TaoTronics Earbuds add personalized design to the product with the following added value for your brand promotion. Superior Audio Quality: 6mm dynamic speakers and noise isolation deliver clear and flawless in-ear call sound Industry-leading 40 Hours Playtime: Up to 5 hours’ playtime on one charge and a charging case holds multiple additional charges for up to 36 hours’ playtime Smart Touch Control: Answer and hang up calls or access other functions by tapping on the earbuds instead of picking up your phone when it’s a few feet away Mini Size & Portable Charging Case: Measuring just 3.2in long, shorter than a bank card, for easy storing in the pocket What You Get: 2 X Earbud, 1 X Charging Case, 6 X Eartip, 1 X Micro USB Charging Cable, 1 X User Guide, and a friendly, dedicated customer service Specifications Dimensions: 3.2in X 1.5in X 1in Capacity: charging case 650mAh Playtime: 5 hours with single charge, 40 hours total with the charging case version: 5.0 Operation range: 10m 33ft Weight: 1.9oz