OSNIYAW USB Power AA Battery Replacement Cable 5V to 3V 4V 6V for Electronic Devices

Perfect for use at home or office powers devices such as LED Christmas decorations, desk lamps, toys, doorbells, fingerprint locks, watches and more ensuring uninterrupted operation With adjustable power supply can replace 2-4 pieces 1.5V AA LR6 batteries, providing versatility for various electronic devices such as LED lights, fans and remote controls With its user-friendly design, the connection to a USB power station is enough to adjust the voltages and supply your electronics sustainably The USB AA battery eliminators replace cables and provide a practical and user-friendly solution for powering your devices by converting the 5V USB input into a 3V-4, 5V-6V output, eliminating the need for conventional AA batteries For users who want to reduce battery waste and save money for frequent replacement, this product is aimed at private individuals and gadget enthusiasts