1. Output Short Circuit Protection 2. Overvoltage And Overload Filter Protection 3. Components Are Used, And The Aging Safety Performance Is High After Real Machine Testing. 4. Good Anti-Interference Performance 5. Small Dc Ripple, High Working Efficiency, Fast Charging Speed, Low Working Temperature And Long Service Life Name: For Galaxy Buds Fe (Sm-R400) Battery Capacity: 600mah 2.22wh Charging Box Charging : Two-Core Type-C Port Wiring Charging, Without Wireless Charging Charging Box Full Time: Type Port Charging Current 380ma, Takes 1.5 Hours Charging Box Indicator Light Status: Red Light For Charging, Green Light For Full Charge Charging Headset Indicator Light Status: Red Light When Charging, Off When Fully Maximum Number Of Times The Headset Can Be : 2.5 Times Note: Different Batches May Have Differences In Product Appearance, Color, And Printed Characters, Which Will Not Affect The Use Colour:A: black Material:plastic Package Contents: 1 x Wireless Bluetooth Headset Charging Compartment 1 x Data Cable Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.