JOYO 5W Mini Practice Guitar Combo Amp Rechargeable Small Guitar Headphone Amplifier Clean Overdrive Two Channels with Bluetooth

I. How to use JA-02 II? 1. Turn on the unit by turning up the VOLUME knob a little, the power indicator is in red once its turned on. 2. Connect your guitar to INPUT Jack and select a suitable sound by the CLEAN/OVERDRIVE switch, and you can also adjust the nuance by the GAIN, TONE and VOLUME knobs. 3. JA-02 II features built-in Bluetooth communication units (Bluetooth version:5.0) , you can connect it to devices with Bluetooth function to play music. For details, pls operate according to the following steps: (1)Press Bluetooth switch and turn on Bluetooth, now the Bluetooth indicator is on; (2)Turn on portable devices Bluetooth function, find JA-02 II in the device list, and start to pair up. When they re paired up successully, the Bluetooth indicator is in blue. 4.You can also play music by connecting to external audio source via the AUX IN Jack, and connect the headphones to Headphone Jack to practice quietly if you want. 5.How to charge the unit? JA-02 II has built-in lithium battery, you can charge it with the attached USB Type-C charger cable. If its battery is quite low, JA-02 II will shut down automatically. Remember to charge it in time, low battery for a long time will cause irreversible loss to the battery capacity. The power indicator only indicates the charging status when its been turned off, the power indicator is on and in red during normal use.The power indicator is in yellow when it s been turned off and charging, the power indicator goes out once its fully charged. Note: JA-02 II has only one USB Type-C charger cable in the package contents, you can use any 5V battery charger. If you re not sure which one is correct, use your smart phone charger to charge it. Pls make sure the charger s Rated Output Currrent=1A. (Nearly all smart phone chargers meet this requirement.)