Friend, when making a purchase, read this option description to avoid choosing the wrong model and causing misunderstandings. (The first byte (battery) represents the battery version, the first byte (charging) represents the charging version, and dual-mode means Bluetooth and 2.4GHz)
Wired version ：The power supply method is to connect a USB cable. There is no need to install a battery or charge it separately.
Battery version ： Power supply method :AAA battery × 2:
requires AAA installation × 2 batteries (AAA batteries are not included in transportation due to transportation safety)
Charging version ：Power supply method :USB charging:
after receiving the goods, if there is no electricity, simply use a USB cable to charge it and it can be used. (USB cable, included in the packaging, does not need to be purchased separately)
Friend, if you have ordered Bluetooth and 2.4GH Dual mode version, if you need to switch the connection method, you can press and hold the DPL button for 5-10 seconds to switch. As shown in the following figure, press the button:
