Samsung Electronics America, Inc. today introduced three new tablets as part of the Galaxy Tab line. The 7-, 8-, and 10.1-inch Galaxy Tab 4 tablets offer a variety of screen-size options, providing various form factors to meet the needs of consumers and businesses alike. The Wi-Fi-enabled Galaxy Tab 4 portfolio will be available in the U.S. beginning May 1, with pre-orders starting tomorrow.

Withings today announced the launch of the Pulse O2 activity tracker and a redesign of its companion app, Health Mate. The new device expands on the versatility of Withings’ original Pulse, adding a wristband accessory so users can wear it as a watch. The Withings Pulse O2 is available today from selected retail partners and on Withings.com for $119.95.

RacoWireless, a provider of wireless M2M connectivity and location-based solutions, along with CalAmp, a provider of wireless products, services and solutions have partnered with DCS to deliver a development kit to enable Application Service Providers to reduce time-to-market in delivering Software-as-a-Service (SaaS) applications. The development kit includes the CalAmp LMU (Location Messaging Unit) or TTU (Trailer Tracking Unit) combined with a domestic and global SIM, and airtime data bundle on the Omega Management Suite from RacoWireless to monitor and control carrier usage.

Toshiba’s Digital Products Division (DPD), a division of Toshiba America Information Systems, Inc., today introduced the Canvio AeroMobile Wireless SSD, a product that offers a way to store, stream, and share files and media from mobile devices without ever attaching a single cable.