Specifications: 1. Model: KR-WP801 2. Build-in Battery: Li-ion Polymer Battery. 3. Capacity: 8000mAh. 4. Input: 5V\/2.1A 5. USB Output: 5V\/2.1A 6. Wirelees Output: 5V\/1A 7. Dimension: 148(H)x75(W)x12(T)mm 8. Material: ABS+PC. 9. Weight: 200g. 10. Color: Black sliver, Black golden, White The Micro USB port has a little deep and maybe will have a little lose when it is charging. Featurs: 1. 8000mAh large capacity power bank. 2. Dual usb ports, output 2.1A, can charge two devices in the same time. 3. Bulit-in wireless charging pad, charge your devices without cable. 4. Compatible with QI standard devices. Note: Wireless charging function need your devices support QI wireless charging. If not, please buy a wireless charging receiver. Package includes: 1* 8000mAh Power Bank with QI Wireless Charging Pad