FlashAir™ W-04 Wireless SD Card

Shoot and share your pictures to your family and friends effortlessly.
Newer and faster

Enjoy faster read/write speeds of 90MB/s and 70MB/s with the new, improved Flashair™ W04. This makes transferring data to and from your PC much quicker. Coupled with faster wireless transfer speed, this Flashair™ W04 is unbeatable. It is now approximately 2.9 times* faster at 31.4Mbps. Photos and videos can be transferred at faster speed than that of normal Wireless-LAN equipped digital camera.

* Digital Camera: Canon IXY 100F , Smartphone: iPhone 7, Measurement Method: Timed file download speed between Digital Camera with “FlashAir™ SD-WE032G(W-03)” / “FlashAir™ SD-UWA064G(W-04)” with and Smartphone, 50cm apart, within a shielded room, using a stop watch. Transferred file size: 49.4MB≒51,799,654.4byte video file, file count: one. Wireless transfer speed differ from devices used and environment tested. Wireless transfer test environment and speed measurement result are as above. These results are based on Toshiba tested measurement and does not warrant actual transfer speed

No more interruption from auto power off!

The new Flashair™ W04 comes supported with “Eyefi Connected” feature. This makes wireless transfer with digital camera’s power management more stable, minimising data transfer interruption from the camera’s auto power-off function*.

* Requires digital camera with “Eyefi Connected” feature.

Share files anywhere without Wi-Fi®

Share files and photos wirelessly without cellular network or Wi-Fi® access point. With FlashAir™, there’s no need to pull out the SD card from your camera and upload the pictures to your PC in order to share them. The FlashAir™ is embedded with a wireless LAN chip which allows you to share your pictures via smartphones or tablets (up to 7 users in one go)! Simply download the Android or iOS app below.


Share more than just photos

Share a wide range of files*1 such as audio and text files. It also works with devices such as IC recorders to share recording of meetings.


* Photoshare allows you to show only photos and videos from a specified date in the list of photo and video thumbnails. Please change the initial SSID and the initial password for Photoshare through the FlashAir™ App for Android or iOS before each use of Photoshare. Please note that your files other than photos and videos specified by you on Photoshare may be unexpectedly accessed by the users with whom you have shared your password for Photoshare depending on the way to access your FlashAir™.

1 No limitation on file type but only files compatible with FlashAir app and browser can be downloaded.

Saves time so you can focus on what’s truly important

Transfer images with just a few touches from digital camera onto bigger screens like tablet and PC. This allows you to check your work easily, so you can focus spending time on doing what’s more important!

Download and Share Photos Effortlessly

To view the pictures stores on FlashAir™, simply use your standard internet browser, Android or iOS app to download the photos.The new firmware also features an ‘internet pass-through’ mode that further simplifies photo sharing. Once a mobile device is connected to the FlashAir card, the internet pass-through functionality enables the device to access the internet via a wireless access point. This removes the need for users to swap between a WiFi connection and the FlashAir card when uploading images to social media sites.

This new functionality will also be made available for the recently introduced 8GB and 16GB Speed Class 10 FlashAir cards running earlier firmware versions, which can be updated by using the Firmware Update Tool.

Easy Wireless LAN Setup

You do not need any drivers, software or cables. Just slide your FlashAir™ SD Card into your camera or camcorder and setup the wireless LAN function using a PC, tablet or smartphone.

Low Power Consumption

FlashAir™ maximises your camera’s battery longevity. The pictures will only be downloaded to your devices when it’s being pulled out from the SD card.

  • SDHC 16GB, 32GB, 64GB
Speed Class
  • UHS Speed Class 3 (U3)
Read/Write Speed**
  • Read: 90MB/s, Write: 70MB/s
  • Compliant standard SD Memory Card Standard Ver.4.00
  • X-Ray Proof* (ISO7816-1 compliant)
  • *For the purpose of calculating read/write speed in this context, 1MB = 1,000,000 bytes
Compatible Cameras and Camcorders
Operating System
  • Windows XP/ Vista/7, MAC-PC, Android, iOS
  • Internet Explorer, Safari, etc
Wireless LAN Standard
  • IEEE802.11 b/g/n
Wireless LAN Security
  • WEP, TKIP, AES (WPA, WPA2) WPA2 Default
Login Support
  • Up to 7 users at one time
Applicable Data Formats
  • All data formats (ex: .jpg, .mpg, .raw etc)
Power Supply
  • 2.7 – 3.6V
Operating Temperature
  • -25°C to +85°C (Recommended)
Storage Temperature
  • -40°C to +85°C (Recommended)
Package Contents
  • FlashAir™ Wireless SD Card
  • 1 Year Limited Local Warranty

* Capacity is based on installed flash memory and not user available memory as part of the memory is used for management functions. Available user area are as listed above (1GB = 1,073,741,824 bytes). UHS Speed Class 3 is defined to be min 30MB/s data transfer speed of write and read speed between UHS compliant host device and card.

** The read/write speed varies depending on the conditions of the equipment to be used. 1 MB/s is calculated as 1,000,000 bytes/s.