Huawei second pen charging to turn on Bluetooth. The combination of Huawei II and some Huawei tablets that support magnetic charging can achieve magnetic pairing and wireless charging. If the Huawei tablet does not support magnetic charging, it needs to be charged with the M-Pencil charger. Huawei M-Pencil2 can be magnetically attached to the top of the fuselage to synchronize wireless charging through Bluetooth pairing. It can easily write and draw for 10 minutes after charging for 30 seconds. It can be fully charged in 1 hour, and it can write continuously for 10 hours.