It has an inside diameter of 5-1/2" and outside diameter of just over 5-3/4 inches and is made of nitrile butadiene rubber (Buna-N) for flexibility and resistance to abrasion and tearing
Perfect compatible with Samsung S21 S21+ Ultra S20 S20+ S10 S10e S9 S8 Plus
it will automatically turn off to save power
Insulation Resistance:1000m
By Using thermal transfer printing technology
Emergency Radio,10000mAh Solar Radio, Crank Radio, NOAA/AM/FM Weather Radio, USB Type-C Charging,Dynamo Radio,Polymer Battery,Torch & LED Reading Light, SOS Alarm,Compass for Camping Red auspowers_batchfour It has an inside diameterEmergency Radio,10000mAh Solar Radio, Crank Radio, NOAA AM FM Weather Radio, USB Type C Charging,Dynamo Radio,Polymer Battery,Torch & LED Reading Light, SOS Alarm,Compass for Camping Product Features Necessary for emergencies built in rechargeable battery with 10000 mAh for charging the mobile phone and tablet in an emergency, This emergency weather crank radio can reliably receive the latest emergency weather forecasts of NOAA and AM FM radio
