ESTICK Mini Power Bank For Fiio KA17 ESTICK is a mini mobile power supply specially designed for FiiO KA17. It fits perfectly with KA17 and can provide independent power supply for KA17 to avoid consuming the power of mobile phones and other devices. ESTICK's output circuit is equipped with low ESR tantalum capacitors to ensure stable and pure power supply, smaller power ripple, and can effectively improve the purity and detail performance of sound quality. ESTICK can also provide FiiO KA17 with up to 5 hours of long-lasting battery life, and with the intuitive power indicator light, ensure that you can always understand the power status and enjoy an uninterrupted high-quality music experience. Parts list ?------------------------------------------------ Mobile power supply ?-------------------------Protective cap (already put on the typeC head) ?------------------------------------------------Quick Start ?-----------------------------------------USB adapter ?-----------------------------------------After-sales maintenance card Basic specifications: Charge and discharge chip: SW6003 Output circuit: AVX low ESR series tantalum capacitor Battery: Rechargeable lithium-ion battery 1100mAh USB type: Type-C Rated input: DC5V=1A Rated output: DC5V=0.6A Size: about 64x23.5x13mm Weight: about 30.8g