Just perfect! This multi-function device, is the most useful thing you can have on your keychain (besides your keys...). It measures the charge status well. It charges well. It can be used as a battery bank, to recharge your phone etc. Nice, small, sturdy, and lightweight.

Just perfect! This multi-function device, is the most useful thing you can have on your keychain (besides your keys...). It measures the charge status well. It charges well. It can be used as a battery bank, to recharge your phone etc. Nice, small, sturdy, and lightweight.

Just perfect! This multi-function device, is the most useful thing you can have on your keychain (besides your keys...). It measures the charge status well. It charges well. It can be used as a battery bank, to recharge your phone etc. Nice, small, sturdy, and lightweight.

Nice and portable. Does the job

Nice and portable. Does the job

Nice and portable. Does the job

Button tops don't fit to well. Other than that it works OK.

Button tops don't fit to well. Other than that it works OK.

Button tops don't fit to well. Other than that it works OK.

best quality

best quality

best quality

first one didn't arrived, Banggood resend me another one, good and easy to used.

first one didn't arrived, Banggood resend me another one, good and easy to used.

first one didn't arrived, Banggood resend me another one, good and easy to used.

charger works good

charger works good

charger works good