MediaTek announced the availability of MT2533D, integrated chipset for smart, connected headphones, headsets, earpieces and hands-free systems. The MT2533D is designed for wireless headphones and in-vehicle hands-free systems, giving users an optimal experience whether they are listening or speaking. The MT2533D chipset is also ideal for stand-alone sports headsets or travel earpieces as it offers local MP3 playback, making music playback possible without the need to pair a smartphone. Such devices could offer users access to up to 1,000 tracks using the support for 4GB external storage. The MT 2533D combines an audio Analog Front End and Digital Signal Processor with an energy-efficient ARM Cortex-M4 processor, 4MB memory (PSRAM and flash) and dual-mode Bluetooth (2.1 and 4.2 Low Energy) radio.