Smatree Charging Case for Beats Solo2/Solo3/Studio3 Wireless On-Ear Headphone(Headphone is NOT Included) Built-in Power bank: A power case(8.5X22.7X17.8cm)with built-in power bank (Headphone is NOT included) enables you to carry /storage and charge your wireless headphones at the same time Large Capacity: The power bank's capacity is 2000 mAH. You can charge your wireless headphone 6-8 times which depends on your headphone types . It greatly saves your time and provide more convenience no matter at home or traveling Mesh Pockets: Elastic mesh pocket for storing cables or other small accessories and keep them in good condition Easy Carry and Noble Look: Convenient carabiner loop for easy carrying. The loop can be easily attached to a belt or large bag; High-graded PU leather with unique oval shape make it looks more noble and attracting Long Warranty and Patent Design: We provide 3 years warranty and this item is in patent design