Functions of this 4in1 USB OTG adapter This USB OTG adapter comes with SD card slot and TF card slot, plug and play. (do not allow use two card slot at the same time) You can charge your iPhone or iPad in time even when you use the other funtion of the OTG adapter . USB-A female port works for most of USB-A perpherals: USB headset (should be Digital audio) / USB sound card / USB amplifier / MIDI keyboard / SONY PHA amp / USB microphone / digital cameras / electric piano / electric torch / electric drums / PC keyboard / wireless keyboards / wireless mouse / wired mouse Korg strike pads / YAMAHA mixer Audio DAC / Mojo DAC / music keyboard PAD / soundbox and so on. Notice: It is not supported to connect devices with a current exceeding 500 mA Sync photos from digital cameras... ... Share your travel photos immediately through the USB camera adapter to your social media. USB A adapter for iPhone Camera OTG adapter at a glance for iPhone/iPad TF card slot SD card slot USB-A port Charging port 4in1 OTG USB adapter for iPhone/iPad Features: No APP driver or sofeware needed when use the USB OTG adapter. USB female port fits most of USB-A perpherals. With charging function simultaneous. Comes with two kinds of card slot. Small and portable. Improve work efficiency Extend the mouse, keyboard for iPhone or iPad to improve typing speed & working efficiency. Wired mouse and keyboardWireless mouse and keyboard Read U-disk files from iPhone Read U disk files at any timeWatch U disk videos and movies at any time. Connect musical instrument equipment This iOS OTG USB adapter is the best choice of electronic musical instrument players. USB MIDI keyboardelectric piano, DrumAudio InterfaceMicrophoneMixer Suports two-way transmission. Transfer photos, videos, audios and files between two iOS devices No App Required.Plug and Read. Functions of USB OTG Simultaneous chargingMultiple external devices can be connectedTF/SD card slot cannot be used at the same time Size and weight Length: 6.3inchWeight: 20g What is in the giftbox? 1 x USB OTG adapter for iPhone/iPad. How to EXPORT photos from iPhone/iPad to USB Flash Devices? Photos → Selct and Click share → Save to Files → U-disk Compatible models: Compatible with iPhone 5, 5C, 5S, 6, 6S, 6 Plus, 6S Plus, SE, 7, 7 Plus ,8 , 8 Plus, X, Xs, Xs Max, 11, 11 Pro, 11 Pro Max,12,12 Pro.12 Pro Max.13,13 Pro.13 Pro Max,14,14 Pro,14 Pro Max,15,15 Pro ,15 Pro Max,16Compatible with iPad Mini, Mini 2, Mini 3, Mini 4, Air, Air 2, iPad Pro (9.7-inch), iPad Pro (12.9-inch) How to import photos from U-disk to iPhone/iPad? Files → Browse → U-disk → Select and Click share → Save to phone Notice: Request iOS13 up version.The OTG adapter will be a bit of heat when you use the USB OTG adapter, that is because when the chip is running at high speed, it needs to be dissipated by the aluminum case It is normal phenomenon.The 4in1 USB OTG adapter is not supported to connecting devices with a current exceeding 500 mA or some devices need to install driver, Such as hard disk, printer, recorder, game handle, scavenging gun, portable WiFi, Bluetooth adapter. This OTG USB adapter is for iPhone / iPad, But the following devices are NOT SUPPORT: Harddisk, DJI Mavic Pro, Webcam, DxO camera;Printer, dvd disk drive,monitor, Microscope;USB scanners, Duet Display, PS4 controller,ant+ sensorc;ac id card reader,id usb scanner,USB outlet; Because this OTG USB iPhone adapter is not suitable for devices that need to download drivers and devices with a working current greater than 200 mA. And Please charge your phone or pad at the sametime when you use the USB devieces or card slot.