46-in-1 comprehensive tool set: includes 42 high-hardness CR-V bits (suitable for mobile phones, computers, watches, cameras, and other precision devices), 1 electric driver, and 1 manual extension rod to support multi-scene maintenance. Precision and efficient design: bits made of S2 alloy steel with hardness of HRC60+, offering wear resistance and reduced slippage; motor supports forward and reverse rotation with stable speed for handling small screws. Portable and long-lasting battery: lightweight at only 300g, includes compact storage case; built-in 1200mAh lithium battery with Type-C fast charging, providing up to 3 hours of continuous runtime. Manual and electric dual-mode operation: detachable motor unit allows use as a manual screwdriver for high-torque tasks; electric mode offers ergonomic efficiency for extended use. Versatile application: ideal for disassembly and assembly of electronic devices including smartphones, laptops, tablets, smart watches, drones, and more—suitable for everyday home maintenance.