WattUp combats this problem with a type of beam-forming technology. That Bluetooth connection is used to focus a tight cone of electromagnetic waves on the target, and it can even track the device and recalibrate as needed. A standard Qi wireless charger is about 90% efficient, but Energous claims it can hit 70% at much greater distances.
Flash memory cards for digital cameras are now absurdly cheap. A 64GB SD card can be bought online for around Â£30. Thatâs enough space to store 5,000 raw files produced by a typical DSLR â or upwards of 30,000 JPEGs. These cut-price cards come with a caveat, though.lash memory cards for digital cameras are now absurdly cheap. A 64GB SD card can be bought online for around Â£30. Thatâs enough space to store 5,000 raw files produced by a typical DSLR â or upwards of 30,000 JPEGs. These cut-price cards come with a caveat, though.
Available in 16GB, 32GB, and 64GB capacities, the iXpand flash drive is compatible with the iPhone 6 and 6 Plus, 5s, 5c, and 5, iPad Air 2, Air, mini 3, mini 2, and miniârunning iOS 8 or iOS 7. Customers can visit the SanDisk website to pick up a 16GB or 64GB model for $59.99 or $119.99, respectively.