Equipped with a 2x600 mAh battery, the handle requires installation of the supplied battery before use. The battery in the handle does not have a charging port and cannot be charged directly. Features: 1. Compatible with 3 glasses and handles; 2. To charge the handle: first remove the battery cover from the Quest 3 controller, install the included rechargeable battery, then install the included battery cover (ensure correct left and right alignment); 3. Assembly: - Place on desktop; - Can be wall-mounted (rotate the charging grooves of the left and right controllers upward 90 degrees, align wall screws with the wall screw fixing holes on the back of the base, then hang); 4. Handle charging indicator: red light when charging, green light when fully charged or empty; Glasses charging indicator: red light when charging, blue light when fully charged or empty; 5. Anti-slip pads on the bottom of the charging stand provide stable placement; Due to different production batches, the appearance, color, and printed text may vary slightly, but this does not affect functionality. Material: Plastic Color: White Package Contents: 1 x Base 2 x 600mAh Batteries Note: Light reflection and differences in display screens may cause slight variations in color between the image and the actual item. Measurement error allowance: +/- 1-3 cm. Only the items listed above are included; other products are not included.