Specification: Color: Green, Purple (optional) Interface: TYPE-C, MICRO USB (optional) Chip: HT42B534-1, CH340C (optional) Material: PCB Voltage: 5V Size: about 45x18mm/1.77x0.70inch Weight: 7g Note: Note that the driver chip needs to be installed with a driver, WIN10 or higher comes with a driver!!! Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! Please allow 1-2cm measuring deviation due to manual measurement. Included: 1 x Circuit Board 1. High Quality: Made of high-quality PCB material for durability and reliability. 2. Compatibility: Comes with two different chip and interface options to fit a range of devices. Green adopts HT42B534-1 serial port chip and MICRO USB interface; Purple adopts CH340C serial port chip, LGT8F328P external 16M crystal oscillator version, TYPE-C interface. 3. Easy to Install: User-friendly design enables easy installation without any complicated procedures. 4. Lightweight and Compact: The compact size and lightweight design make it easy and convenient to carry around.