This product is a charger specifically for charging the left and right handles for NS 2. It can charge two pairs of left and right handles for NS 2 at the same time. The handle and the charging stand adopt an embedded magnetic structure design, so that the handle and the charging stand are closely combined. There are four charging indicator icons designed on the top of this product, corresponding to the charging status indication of each handle respectively; the built-in buzzer emits a "beep" reminder when the handle is placed in the charging slot and charging normally. 1. Power input: TYPE-C 5V 1.5A 2. Handle charging current: 200mA x4 3. Charging status indication: the corresponding charging indicator icon is always red when charging; the corresponding charging indicator icon is always green when fully charged/standby. 4. Support prompt sound: "beep" sound reminder when powering on, "beep" sound reminder when the handle is charging.