Description: This product is a multifunctional product integrating three functions of USB splitter +USB external sound card +USB card reader. Can solve a variety of problems for you, for example, a single-hole laptop can't use a microphone, the ultrabooks have few portable ports and too many USB ports for external devices, etc. Can expand at most three audio mouth (headphones, microphone, headset kandy) + 3 USB ports + 1 TF card slot + 1 SD card slot, the card read write CARDS, listening to music recording, playing games U disk copy data more convenient. Features: 1. Support OTG function, no more computers and mobile phones connected too many miscellaneous devices. 2. Second generation USB HUB controller, no external power supply, high compatibility, no drive, plug and play. 3. Single card, double card can be used, support two people at the same time voice, meet different needs. 4. Stereo sound effect, support mixed sound, high fidelity noise reduction to make sound quality more pure, with virtual stereo sound, inserted on the device to avoid electromagnetic interference. 5. USB2.0 interface, transmission speed 1.5/12/, each USB port transmission speed up to 480MB. 6. Simple and high quality aluminum alloy shell, efficient heat dissipation, high quality, durable pressure. Specifications: Condition: 100% Brand New Material: Aluminium Alloy Weight: Approx. 79 g Size: Approx. 40 * 20 * 80 mm / 1.5 * 0.7 * 3.1 in Color: Silver (USB, Type-C) Grey (USB, Type-C) Line Length: Approx. 0.15 m Working Voltage: DC 5V Working Current: 500mA Transmission Speed: 480Mbps Input SNR: ≥90dB Input THD+N: ≤-84dB/≤0.0006% Output SNR: ≥93dB Output THD+N: ≤ -70dB≤ 0.0316% Frequency Response: 20Hz-20kHz Sampling Rate: 44.1/48K@16bits Interface: USB/Type-C =3USB+SD+TF+3.5Audio National/American standard (earphone+microphone+headset) Package Included: 1 x USB Multifunction Hub Sound Card 1 x Manual Notes: 1.Please allow 1-3 cm error due to manual measurement. Thanks for your understanding. 2.Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard. 1、Support OTG function, no more computers and mobile phones connected too many miscellaneous devices. 2、Second generation USB HUB controller, no external power supply, high compatibility, no drive, plug and play. 3、Single card, double card can be used, support two people at the same time voice, meet different needs. 4、Stereo sound effect, support mixed sound, high fidelity noise reduction to make sound quality more pure, with virtual stereo sound, inserted on the device to avoid electromagnetic interference. 5、USB2.0 interface, transmission speed 1.5/12/, each USB port transmission speed up to 480MB.