There are two combinations: Combination 1 - PowerStick + Convertible charging base for pocket 1/2; Combination 2 - PowerStick + Convertible knob + OSMO Pocket phone holder set for pocket 1/2 and phone Large Capacity: extension Rod Charging Stick Built-in rechargeable 5000mAh battery supply, It can charge about 2 times for DJI OSMO Pocket 2. 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 Unique Design: tripod part made of Aluminum alloy, you could choose any angle or situation for footage and video vlog. The PowerStick built-in safety system fully protects the charger from short circuit, over-current, Low- voltage and overheat 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 NOTE: 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 ASIN B07QV5KK6R Brand Smatree Color For Pocket 2/1 Features Lightweight Head Type Pan Heads Media Type ProductImage, EnhancedContent Unit Count 1 Count Item Length 51 Centimeters Item Weight 1.3 Pounds Manufacturer Smatree Model Number DP20 DH7 Material Type Aluminum Maximum Height 50 Centimeters Minimum Height 4.33 Inches Audio Recording No Compatible Devices Smartphone Video Capture Format MP4 Water Resistance Level Not Water Resistant Manufacturer Part Number Smatree-SA522 Video Capture Resolution 3840 x 2160 (4K)