Wired Flat Headset

Below is the hong kong version of 4s headphones Below are apple’s 4s headphones Below is the apple lightning headphone Here are the apple iphone 4 earphones. compared to the iphone 4s earphones, the main difference is the positioning of the inline controls on the cable. the plug is a standard 3.5mm us plug, compatible with computers, mp3 players, cassette players, and android phones and tablets. the volume control buttons are specific to apple devices and are not compatible with other devices. the iphone 4 earphone cable has laser-etched "made in china" near the plug, approximately 5cm from the plug, but there is no production line number.