1. Enhanced Safety Features: The charging case is equipped with output short circuit protection, as well as over-voltage and overload filtering protection. These advanced safety features the safety of your devices during the charging process, minimizing the risk of damage or accidents.2. High Quality Components: The charging box is built using components, which have undergone extensive testing to their reliability and durability. This guarantees a high level of safety and performance during charging, providing peace of mind to users.3. Excellent Interference Resistance: The charging cover is designed to have excellent interference resistance, preventing any external signals or noise from affecting the charging process. This ensures a stable and uninterrupted charging experience, even in environments with high levels of interference.4. Efficient Charging Performance: The earphone charger box is engineered to deliver efficient charging performance. It has minimal direct current ripple, which helps maintain a stable power output to your earphones, resulting in faster and more efficient charging. This allows you to quickly recharge your earphones and enjoy your music without any interruptions.5. Long-lasting and Reliable: The replacement charger case is designed to operate at low temperatures, ensuring its and reliability over time. It has a long service life, allowing you to use it for an extended period without any performance issues. This makes it a and dependable charging solution for your devices.Applicable:for Galaxy Buds FE (SM-R400)Battery capacity:600MAH 2.22WhCharging box charging method: two-core Type-c port wiring charging, without wireless chargingCharging box full time: Type port charging current 380MA, takes 1.5 hoursCharging box indicator light status: red light for charging, green light for full chargeCharging headset indicator light status: red light for charging, off when fullyMaximum number of times the headset can be : 2.5 timesWeight: 60gSize:49.85x49.85x33.20mm/1.96x1.96x1.31inchColour:BlackMaterial:PlasticPackage Contents:1 * Earphone Charger CaseOnly 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.