Motherboard Main Controller: AIBattery Type: 18650 Lithium-ion BatteryBattery MOS: Dual MOSBattery Capacity: 3.7V/1200mAhPrint Head Specifications: 2-inch Black-and-White Thermal Printer CorePrint Resolution: 203 dpi (Dot Density: 8 dots per millimeter)Effective Print Width: 48 mmPrint Paper Width: 57 mmWi-Fi Antenna Frequency: 2.4G Wi-FiSpeaker Specifications: Diameter 36 mm, 8Ω 2WCharging Cable Specifications: 1A, with one USB Type-A connector and one Type-C charging connector TYPE-C Interface Charging: 5V/1AData Transfer: Not Supported Charging Indicator Light: Red LED: Lights up red during charging, turns off when fully charged Status Indicator Light: Green LED: Lights up green when powered on. Flashes green when Bluetooth is not connected. Remains steadily lit when Bluetooth is successfully connected. Device automatically powers off after 10 minutes of idle use. Power-On Current Startup: 20-30 mA Shutdown Current Shutdown Startup: 20-30 mA Operating Current Printing: 0.5-2 A Peak Current Maximum Load: 2 A Standby Current, Powered On but Not in Use: