A chemical property is a characteristic of a pure substance that describes its ability to change into different substances. For example, a chemical property of methane is that it can catch fire and burn in air. Physical properties can be observed or measured without changing the composition of matter.
The downsides are obvious: Almost everyone has headphones, speakers, and other gadgets based on the ubiquitous 3.5 mm headphone jack. Eliminating this connection could render these devices unusable, or at least force everyone to carry around an extra adapter. But Apple doesnât care.
Using a direct connection 1. Connect one end of the provided 3.5mm audio in cable to the AUDIO IN jack on the bottom of the speaker.2. Connect the other end of the cable to the headphone output on your MP3 player or other portable audio device.Warning: This product is designed to work with line level outputs or headphone outputs only. DO NOT connect it directly to speaker outputs as it will permanently damage the transmitter.onnect the other end of the cable to the headphone output on your MP3 player or other portable audio device. Warning: This product is designed to work with line level outputs or headphone outputs only. DO NOT connect it directly to speaker outputs as it will permanently damage the transmitter.