USBC rechargeable Battery Case For SONY Walkman WM-100II WM-102 WM-F203 WM-F202 USBC rechargeable lithium battery case, we will provide a charging cable According to different models, Lithium battery capacity is 600-800mAh 1.2V voltage can be understood as the actual capacity is 1800-2400 mAh Dear customer, this is a 3D printed custom product. The cycle of custom products may take two weeks, and sometimes you may need to wait in line. So from the time you purchase to the time you receive the item, the entire waiting time may take more than 45 days. If you have any questions, please leave us a message. Sincerely Dear customer, I'm sorry, because 3D printing is not as perfect as traditional plastic products. If you receive the items and have any questions, please leave a message to me. Please don't worry, the items are guaranteed, thank you Only batter case , Battery not included 3D printing material can withstand high temperatures up to 65?, 149? please pay attention to the temperature