Feature:1. Smart LED digital display allows you to clearly see the remaining power, smart touch operation, bid farewell to tedious button operations.2. The large‑capacity battery reserve brings long battery life and can also charge your other devices.3. The middle of the charging compartment is made of artificial leather, which has a non‑slip function, and has a comfortable feel and a stylish appearance.4. Compatible with devices such as mobile phones, computers, tablets and also compatible with for Windows, for Android, for iOS, etc.5. Using 5.0 high‑performance chip, while reducing power consumption, the transmission rate is greatly improved, the sound quality is smoother, and the signal is more stable.How to Use:Bluetooth Pairing: Take out the two earphones from the charging compartment, the two earphones will turn on naturally (blue light flashes), and then automatically form a team. After grouping, the red and blue lights of the main earphone flash alternately. Turn on the mobile phone and other Bluetooth devices to search for M21 and click to connect. Normal useControl Method: Any earphone short press twice to play or pause music/right earphone short press once to increase volume/left earphone short press once to decrease&nb
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