Handheld mobile digital electronic devices for the sending and receiving of telephone calls, electronic mail, and other digital data, for use as a digital format audio player, and for use as a handheld computer, personal digital assistant, electronic organizer, electronic notepad, and camera. full line of parts for mobile telephones; mobile phone accessories, namely, mobile telephone covers, mobile telephone cases, batteries, rechargeable batteries, battery chargers, chargers for electric batteries, headphones, stereo headphones, in-ear headphones, stereo speakers, audio speakers for home, personal stereo speaker apparatus, microphones, car audio adapters, headsets, remote controls, connection cables, power adapters, docking stations, adapter plugs, replacement structural parts and fittings for all the aforesaid goods; computer software, namely, software for the transmission, recording, reproduction, display, organization, management, manipulation and review of messages, text, images, files, audio, video and audio-visual content and other data for the facilitation of communications between two or multiple users via computer networks, communication networks and the global information network; computer software development tools; computer software for use as an application programming interface (API) for communications software facilitating voice over internet protocol (VOIP) calls, phone calls, video calls, text messages, instant message and online social networking services