Features: 1. 5Gbps high-speed transmission 2. USB3.0 interface for external mouse/keyboard, sensitive response without delay, typing more convenient 3. Aluminum alloy casing, sturdy and wear-resistant, fast heat dissipation 4. Support OTG function, photos, film documents can be read at any time 5. Plug and play, sensitive response 6. The interface is resistant to plug-in and unplug-in, easy to access, without locking, no backlash 7. Compatible with multiple systems, plug and play Product parameters: 1. Material: aluminum alloy 2. Interface: HC402-US3.0 x 4;HC502-US3.0 x 3 + SD+TF 3. USB transmission rate: 5 Gbps 4. Output interface: Type C/USB two in one 5. Cable length: 15 cm 6. Product size: about 32 x 119 x 14 mm 7. Weight: HC402 - about 49 g, HC502 - about 55 g Specification: Package Weight One Package Weight 0.09kgs / 0.20lb One Package Size 19cm * 10cm * 4cm / 7.48inch * 3.94inch * 1.57inch Qty per Carton 100 Carton Weight 9.70kgs / 21.38lb Carton Size 46cm * 41cm * 20cm / 18.11inch * 16.14inch * 7.87inch Loading Container 20GP: 706 cartons * 100 pcs = 70600 pcs 40HQ: 1641 cartons * 100 pcs = 164100pcs OEM/ODM are Welcome! we can make Customize design and print your logo