Youmile Pack of 5 PC817 2 Channel Optocoupler Insulation Board Voltage Converter 3.6-30V Driver Photoelectric Insulated Module with 24AWG Cable 2 channels music_Aug2024_update the pouch can securely hold

the pouch can securely hold your device

19 x 2cm/ 7

Whirlpool 4388286 End Cap Trim

or on an airplane

It holds your phone easily and securely during bumps

Youmile Pack of 5 PC817 2 Channel Optocoupler Insulation Board Voltage Converter 3.6-30V Driver Photoelectric Insulated Module with 24AWG Cable 2 channels music_Aug2024_update the pouch can securely holdYoumile Pack of 5 PC817 2 Channel Optocoupler Insulation Board Voltage Converter 3. 6 30V Driver Photoelectric Insulated Module with 24AWG Cable Description: 1. Driving port signal voltage: 3. 3 24 V. Output voltage range: 3. 6 30V (the output current depends on the specific situation but not over 10MA. When the total power is fixed, the voltage and current are inversely proportional) 3. Jumper cap can achieve output port is high potential or low