Mi power bank 2i 10000 was very good product. I am used this power bank 6 month. Battery was too long service, and design or looking beautiful or slim. This power bank provide value for money. Or long durability provide. This power bank cary on tow output canact usb cord. And this power supply or Support fas charge. Or four LED lights signed charge capacity. This power bank light weight so this is carry easily. I am used my mi note 4 phone, and this is provided long time charge supply. All most this mi 2i_ 10000power bank really a great power bank.