This document is a user manual for a type of wireless earphones. It has Bluetooth connection, voice control, and auto-off features.
This manual covers the basic operation of VK phones, including how to install the SIM card, charge the battery, make and receive calls, and use multimedia functions. It also explains the menu structure, key functions, and settings such as language, ringtone, and call forwarding.
Safety guidelines are included, advising users to avoid using the phone while driving, refueling, or in hospitals, and to use only VK‑approved accessories and batteries. The document also provides information on network features like GSM, DTMF, and roaming. This manual is written in Chinese.
The battery can be charged separately or while installed in the phone.
Do not use a handheld phone while driving; use a hands‑free device or stop the vehicle safely before operating the phone.
Use the multi‑party call feature to connect up to five participants simultaneously.