Input: AC 100-240V, 50-60hz/output: 19.5V 2.31a 45W/3 prong Connector:4.5mm*3.0mm(Refer to picture) | Compatible with HP Notebook 15, 17 Business Notebook 11-d010wm 11-d011wm 11-n010dx 13-c010nr 14-ax020wm 15-ac121dx 15-af131dx 15-ay009dx 15-ay039wm 15-ay041wm 15-ba009dx 15-ba079dx 15-bs015dx 15-d035dx 15-f009wm 15-f010wm 15-f033wm 15-f039wm 15-f211wm 15-f233wm 15-f271wm 15-f272wm 15-f305dx 15-f387wm 15-g019wm 15-g070nr 15-r011dx 15-r029wm 15-r132wm | Fit with P/N P/N:740015-002 741727-001 TPN-LA03 845611-001 PA-1450-56HA 845836-850 A045R07DH PA-1450-36HE HSTNN-LA40 719309-003 721092-001 719309-001 740015-001 740015-003 ADP-45FE B, HSTNN-DA40 | Safety: CE-/FCC-/RoHS-Certified for safety, over voltage protection, short circuit protection, over current protection. Made and Sold by professional factory directly | Warranty: 12 - month warranty; 30 days money return guarantee; 24 x 7 email support

✔️Compatible with HP ProBook 440-G3 440-G4 440-G5 450-G3 450-G4 450-G5 455-G3 455-G4 455-G5 470-G3 470-G4 470-G5 640-G2 640-G3 640-G4 645-G2 645-G3 645-G4 650-G2 650-G3 650-G4;;HP Chromebook 11 14 X360 G3 G4 G5 EE 11-v019wm 11-v002dx 11-ae027nr 11-ae110nr 11-ae051wm 11-ae120nr 14-ak041dx 14-ak031nr 14-ak040nr 14-ak050nr 14-ak060nr 14-ak040wm 14-ak020nr 14-ak039wm 14-x010wm. | ✔️Compatible with HP ProBook x360 11 G1 G2 G3 G4 G5 G6 EE 435 G7 440 G1,HP Chromebook 11 X360 G3 G4 G5 EE 11-v000 11-ae000 Series 11-v002dx 11-v010nr 11-v019wm 11-v002dx 11-ae027nr 11-ae110nr 11-ae051wm 11-ae120nr 11-ae040nr 11-ae010nr 11-ae020nr ; HP Chromebook 14 X360 G3 G4 G5 14-ak041dx 14-ak031nr 14-ak040nr 14-ak050nr 14-ak060nr 14-ak040wm 14-ak020nr 14-ak039wm 14-x010wm 14-x015wm 14-q070nr 14-q039wm 14-q010nr 14-q039wm 14-q049wm. | ✔️Compatible with HP EliteBook 725-G3 725-G4 745-G3 745-G4 755-G3 755-G4 820-G4 820-G5 830-G5 840-G3 840-G4 840-G5 850-G3 850-G4 850-G5 Folio 1020-G1 1020-G2 1030-G1 1030-G2 1030-G3 1040-G1 1040-G2 1040-G3 1040-G4 1040-G5;HP Chromebook 11 14 X360 G3 G4 G5 EE. | ✔️Strict Quality inspection: We have a professional testing laboratory. After strict testing and inspection, they can be sold on Amazon. CE/ RoHS/ FCC certified safety, high efficiency, power saving, and protect your laptop motherboard from being burned out. | ✔️Quality After-sales: With a 12-month warranty, we provide consumers with an excellent 30-day return and exchange service. In the meantime, if you are not satisfied with our products, you can contact us and we will reply you within 24 hours.

①:Optimize Desktop Space - Double dock stand capable of supporting two laptops simultaneously,Connect an external monitor, keyboard and mouse to your laptop, then dock your laptop or Macbook (use closed-clamshell mode for Macbooks) to save valuable desk space and to protect your device from spills | ②: Adjustable Size: Adjustable width compatible with various laptops as well as the thickness of notebooks varying from 0.55in / 14mm to 1.65in / 42mm. | ③: Protective and Stable: Sandblasted, brushed, and CNC-machined from anodized aluminum alloy, this stand has the same texture as a Macbook's surface. and durable. Non-toxic silicone mat protects your devices from being scratched and secures it in a stable position. | ④:Wide Compatibility: Compatible with Apple MacBook Pro/Air iPad, Microsoft Surface, Chromebook, Notebooks, Dell Samsung Lenovo Acer Sony Asus XPS and HP ENVY Series, Phone and so on. | ⑤:Contact us: any question click the "Ask a question" on our storefront or in "YOUR ORDER" options click the "contact seller".