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 the dual-mode version of Bluetooth and 2.4GHz, and you need to switch the connection method, due to product updates, there are two different switching methods: old and new. The following are the options:
