Features: The XY101 Charging Case features a high capacity battery and fast charging technology Equipped with multiple protective safety system and LED power indicators, this plastic case offer secure charging and battery status monitoring. Ideal for cubical enthusiasts and frequent traveler, this charging adapter is suitable for 356 i1 i2 i3. Perfect for on the go charging during commutes, competitions, or travel, its lightweight design fit effortlessly into bags or pockets. Engineered with scratch resistant materials and automatic charging activation, the XY101 cubical maintenance while delivering power replenishment. Specifications: Component:Plastic Size: Approx.71.6x71.6x71.8mm/2.81x2.82x0.67inch Package Includes: 1Pc Mobile Charging Case note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual of the item.