AMAGISN 3-Slot Battery Charging Hub for Insta360 X4 Sports Camera – Memory Card Storage Case (Battery Not Included) • Simultaneously charges three batteries at maximum power to ensure they are fully charged and ready for use • Features smart charging management: charges at maximum power when battery is low, gradually reduces power as battery level increases, and automatically stops when fully charged • Dual function design serves as both a charging hub and a storage case for up to three TF cards • Built-in multi-protection mechanism includes input and output overcurrent and overvoltage protection, over-temperature protection, short-circuit protection, and electrostatic protection Specifications: • Compatible with Insta360 X4 battery • Material: ABS • Dimensions: 78.5 x 56.9 x 39.0 mm • Weight: 84g Package Includes: • 1 x Charging Hub • 1 x Charging Cable • 1 x English User Manual Note: Battery and other accessories not included