Brand Navo Quantity 1 Piece Color Green Material PCB English Manual / Spec Yes Other Features Charging input: 5V 1A; chip output: 5V 1A; interface: mini USB input USB output; compatible battery (supports powering single for multiple battery): Li-ion polymer 18650 battery and other 3.7V Li-ion battery; not for dry cell accumulator 1.2V rechargeable battery Ni-MH battery iron lithium polymer lithium battery etc.; indicator: red for charging green for fully charged blue for loaded; note: B+ for battery anode B- for battery cathode (revered connection will burn the circuit); with IC chip; no extra switch needed with its small static current; for first use please activate it in 5V power. Certification QC Packing List 1 x Module