Slim, premium, powerbank, the Smart Arch boasts a sylish aluminium body and easily accessable white ports. As the Arch is so light, it is the perfect companion for any trip. Whether you have a black body finish, or silver, you won’t be disappointed by the class finish of the Arch.;• 4000mAh;• Slim Size;• Power LEDs;• Pocket Power;• Mobile Size;• Quick & Easy;*Also available in 8000mAh (Arch+)