Product name: Roller Bluetooth remote control
Bluetooth version: V5.3
Transmission distance: 10 meters
Charging interface: Type-C
Product color: black/white/pink
Charging compartment capacity: 180mAh
Remote control capacity: 30mAh
Usage time: about 24h
Input current: DC 5V
Product size: 39*33*23mm
Product function:
Roller page up and down, roller slowly slides up and down, adjust the focal length, turn the e-book left and right, turn off the screen, like, return to the main menu, take photos and videos, skip songs, pause playback, increase and decrease volume

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