Fangrui Product Details Equipped With A 2x600 Mah Battery, The Handle Needs To Be Installed With The Battery We Supplied Before It Can Be . The Battery In The Handle Does Not Have A Charging Hole And Cannot Be . Product Description: 1. Suitable For 3 Glasses And Handles; 2. Charging The Handle: First Remove The Battery Cover For The Quest 3 Controller And Install The Equipped Rechargeable Battery, And Then Install The Equipped Battery Cover (need To Match The Left And Right); 3. Assembly Method: Place The Desktop; Can Be Hung (the Charging Grooves Of The Left And Right Controllers Are Rotated Upward 90, The Wall Screws Are Aligned With The Wall Screw Fixing Holes On The Back Of The Base, And Then Hung); 4. Handle Charging Indicator: Charging: Red Light, Full/empty: Green Light Glasses Charging Indicator: Charging: Red Light, Full/empty: Blue Light 5. There Are Anti-slip Pads At The Bottom Of The Charging Stand, Which Makes The Placement More Stable; Due To Different Batches, The Appearance, Color, And Printed Wor