For Insta360 X4 SYMIK Dual-Channel Battery Charger & Storage Case Charging Hub With LED Indicators 1. Compatible with Insta360 X4 batteries. USB-C input max 10W. Charging time approx. 140 minutes. 2. Dual-channel simultaneous charging, stops automatically when full: When battery level is low, it charges at max power; when battery enters high-charge state, charging power gradually decreases; charging stops immediately when battery is full. 3. Built-in 2 dedicated microSD card slots (Memory card NOT included). 4. Clear LED indicators show charging status, easy to understand at a glance. 5. Multiple Protections: Features the same charging configuration as the charger; will not damage your battery in any way. Specifications: 1. Operating Temperature: 0-40 degrees Celsius (32-104 degrees Fahrenheit) 2. USB-C Input: 5V 2A (Max 10W) 3. Charging Time at Room Temp: Approx. 140 minutes from 0% to 100% 4. Material: PC Shell 5. Product Dimensions: 74 x 58 x 43 mm 6. Weight: 96.4g Packaging Details: Charging case + ChineseEnglish manual + color box. Data cable NOT included!