1. The shell adopts ABS plastic injection molding process to form and assemble at one time;
2. Screen: The toelectric gate A has a built-in display screen, which can display real-time data independently from the computer;
3. Battery: Built-in small lithium Lithium-ion battery can be charged through the built-in USB interface;
4. Connection method: t-in mission module, connected via Bluetooth; ed via USB; .
6. Function: Applied to various experiments related to sports.