Inserting a card allows you to download songs from a storage card (TF card, which is the type of memory card used in mobile phones, or SD card), and play the songs directly from the card, providing an additional feature. Nowadays, Bluetooth speakers have many functions, such as inserting a card into a USB flash drive for audio input and output, hands-free call control, and more.

How to use Bluetooth plug-in speaker

1. Bluetooth and card insertion are two functions: Bluetooth is a wireless connection function, while card insertion allows the speaker to insert a storage card and play music files from the card.

2. The card insertion function of the speaker is related to the format of the built-in music player. Generally, card insertion speakers are mostly in MP3 format. In addition, most memory cards are TF (small cards commonly used in mobile phones) memory cards, and a few are compatible with SD memory cards, which should be noted when purchasing.

Usage steps:

1、 Charging. Before use, we recommend fully charging the Bluetooth speaker. The charging method is simple: insert the charger plug into the charging socket of the Bluetooth speaker, and then connect the charger to an AC power source or personal computer. The charging indicator light is on during charging, but after charging is complete, the indicator light does not light up:

2、 Connect devices (such as laptops, mobile phones, PSPs, etc. with Bluetooth), or have 3. 5mm jack (headphone jack for mobile phones, MP3, MP4, computers, etc.): 1. Bluetooth connection: (1) Turn on the Bluetooth speaker: (2) Turn on the Bluetooth function of your phone (or other device), search for Bluetooth settings, and then select the Bluetooth speaker: (3) Password required: Device name: MYVISION; Password: 0000 or 1234: (4) Some phones do not require a password, simply select "Pair". There is a prompt sound of "beep..." when the connection is successful: 2. Adapter cable connection: Use 3 on both ends. A 5mm wire connection is sufficient:

3、 Description of status indicator lights (CHARGE). 1. Backup/Standby: Quick flashing blue 2. Charging: Red 3. Charging completed: Red light turned off 4. Card insertion mode: Blue light flashing slowly (Bluetooth speaker supporting card insertion function)