RocketFish RF-WHP212 User Manual page 10

To install batteries in the headphones:
1 Hold the left earpiece in one hand with the battery
compartment facing up, then slide the battery
compartment latch to the right.
2 Remove the battery compartment lid.
3 Insert both AAA batteries into the battery compartment.
Make sure to align the + and - symbols on the batteries with
the symbols in the battery compartment.
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