Cute Ashtrays for Cigarettes Ash tray with Lid FriyGardcn Wooden Ashtray with a Stainless Steel Portable Decorative Ashtray Windproof Ashtray for Home,Patio,Office,Outdoors,Indoor,Parties Silver auspowers_batchthree you can use external 24V

you can use external 24V DC power supply to isolate USB and external port

Using 2 D-size batteries which are not included

prevent your device from accidental drops

Just attach a tag with a label to tell you which cord goes to which device

Cute Ashtrays for Cigarettes Ash tray with Lid FriyGardcn Wooden Ashtray with a Stainless Steel Portable Decorative Ashtray Windproof Ashtray for Home,Patio,Office,Outdoors,Indoor,Parties Silver auspowers_batchthree you can use external 24VCute Ashtrays for Cigarettes Ash tray with Lid FriyGardcn Wooden Ashtray with a Stainless Steel Portable Decorative Ashtray Windproof Ashtray for Home,Patio,Office,Outdoors,Indoor,Parties Product Features Classy Design. This Ashtray is Made of High quality Wood and Has a Stainless Steel Interior. It Looks Like a Decoration, and You Wouldn't Even Guess It's an Ashtray Windproof Ashtray.. A Wood Cover Conceals the Smell of Smoke, a Stainless Steel Liner