USBC rechargeable Battery Case For SONY Walkman WM-100 WM-101 WM-103 WM-104 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 3D printing customized products, the customization time is about 20-30 days. It may take more than 45 days for you to receive the item. 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