Accessory based products for mobile phones, smart phones and for portable and handheld digital electronic devices for recording, organizing, transmitting, manipulating, and reviewing text, data, audio and video files, 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 speakers, microphones, adapt...