Simply worn and combining ease of use and utility, the Classic Q-Link is our most affordable pendant. SRT-2 supports your general well-being and is ideal for users in less stressful, non-performance oriented environments. Arrives with a variable length cord or simply slip the Classic SRT-2 Pendant in you pocket. Easy to use, durable, lightweight, waterproof and versatile.  Circuit board design on Classic SRT-2 pendant for aesthetics only.