How to change the battery of Bird Bluetooth stereo?

1. Unscrew the symmetrical screws on the stereo front panel.

2. Open the internal structure of the stereo.

3. Unscrew the fixing screw at the bottom of the stereo.

4. Carefully separate the motherboard from the audio housing.

5. Open the battery slot cover, unscrew the battery screw and take out the old battery.

6. Insert the new battery into the battery slot and tighten the battery screw.

7. Align the motherboard with the audio housing and tighten the fixing screws at the bottom.