Power - and wireless charging - for your essentials. This black power bank contains a 4,000 mAh grade A lithium polymer battery and also serves as a wireless charger for your electronic devices. Micro input: 5V/1.8A, type C input: 5V/2A, USB output: 5V/2.1A, wireless output: 5V/1A. Comes with a micro USB to USB charging cable. Measures approximately 3/4" x 5 1/4" x 2 7/8". Screened logo.