About this item: 
There are two Combinations: Combination 1 - PowerStick + Convertible charging base; Combination 2 - PowerStick + Convertible knob + OSMO Pocket phone holder set. 
Large Capacity:Built-in rechargeable 5000mAh battery supply, It can charge about 2 times for DJI OSMO Pocket. efficiently extend your shooting time.（Please fully insert the Pocket / Pocket 2 into the charger base when charging.） 
High-Speed Charging : 5V/2A Type-C output port for OSMO Pocket or Smartphone .Fully charging the OSMO Pocket need about 90 mins ,Shorter than original charging case .Fully charges itself about 4 hours (not use the OSMO Pocket ). 
Durable Material: 180mm Soft Silicone rubber hand grip with 1/4 Standard Screw port at the bottom allows universal tripod to be attached. The PowerStick built-in safety system fully protects the charger from short circuit, over-current ,Low- voltage and overheat.（Non-stretchable） 
NOTE:1.The knob is connected to the smatree charging stick and cannot be reomved. Besides, there is no need to remove the knob, for you can tighten or loosen the holder for osmo pocket & phone/ charing base to the left/right. 2.If you want to change the charging base to the phone/osmo pocket holder, all you need to do is to loosen the charging base by turning the knob(instead of taking it off) to the right, and then insert the holder and tighten it to the left.