Feature:1. Multiple Protection: Intelligent control of the entire charging process, with its own protection against overcharging, overvoltage, overtemperature, overcurrent, fast and stable, safe and reliable.2. Indicator and Precise Position: There is indicator light, so that you can easily check battery capacity, easy to know the status of the charging compartment, and precise position for easy access to rechargeable microphones.3. 4500mAh: With a large capacity of 4500mAh, the charging box can charge three for Rode wireless GO microphones up to two times at the same time.4. Fire Retardant ABS: Made from fire retardant ABS materials, these charging cases are designed to withstand the complex and ever changing outdoor environment.5. With Storage Space: The charging box supports multiple devices at the same time, supports charging and discharging, and is designed with storage space to easily store small items such as windproof fleece covers and charging cables.Specification:Item Type: Mic Wireless Charging CaseMaterial: ABSGross Weight: 326g/11.5ozBattery Information: Li Ion 4200mAh, shipped with internal batteryInput: USB C 5V 3A , 9V 2A ,12V 1.5A Output: USB C 5V 3A ,9V 2A, 12V 1.5A 3PCS USB C: 5V 0.5AUSB A: 5V 2A Operating Temperature: -10 to 60°CMax. Full Charge Time: Approx. 2 hoursSuitable for: For Rode Wireless go wireless go II microphone series.Package List:1 xMic Wireless Charging Case1 x Charging Cable1 x Manual