Product Features: This product is equipped with 2 pieces battery pack, which can be installed in the controller Charge the XBOX ONE controller directly when the battery packs are installed in the controller LED indicator shows the charging status Single chip to control the charge to keep the charge stable Charge your controller quickly through USB jack on XBOX console, computer USB port or other 5 V adaptor. Application: charging dock for XBOX ONE wireless controller Product Specifications: Color: Black Material: ABS Input Voltage: DC 5V Charging Current: 300mAh for each Battery Pack Output Voltage: DC 5V Charging Time: About 2 hours Charging Dock Size: 63*140*36mm Battery Pack Size: 43*56*20mmCautions Package Include: 1 x Dual USB Charger Dock 2 x Rechargeable Battery Pack 1 x USB Charging Cable