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1. Brushless motor: Quanyou angle grinder uses a brushless motor. Compared with traditional brushed power tools, it has the advantages of more powerful power output, low friction, and long service life. Can provide more efficient and reliable working performance.

2. Lithium battery: Quanyou angle grinder uses lithium battery as the power source, which has the advantages of strong endurance and fast charging speed. This allows users to use it continuously for a longer period of time and recharge it quickly.