M

Audio-receivers and video-receivers; Battery chargers; Battery chargers for mobile phones; Flashlights for use in photography; Lithium ion batteries; Microphones; Mobile phone cases featuring rechargeable batteries; Photography darkroom lamps; Radios; Sound transmitting apparatus; Stands adapted for mobile phones; Stands for photographic apparatus; Wireless communication devices for voice, data or image transmission; Electronic sound pickup for guitars and basses; Hardened units composed of microprocessors and integrated transmitters and receivers installed in the field, affixed to equipment, or worn by personnel at large scale mining, construction, and industrial sites to transmit telemetry data on equipment and personnel to central processing facilities and to receive automated proximity alerts of other equipment or personnel for operations and safety management systems; Smart card readers