Cheap And Discounts JAKCOM R5 Smart Ring Match to ufs memory nbc 250 rfid 125 khz em4100 rewrite em4305 blank with chip reader kat hond battery iot Wholesale. Buy Directly From Merchant Jikong2 Store. Enjoy ✓Free Shipping Worldwide! ✓90 Days Buyer Protection. ✓Easy Return. ✓Money Back Guarantee.